@ARTICLE{Taka55:Investigation,
AUTHOR="L. Takacs",
TITLE="Investigation of waiting time problems by reduction to Markov
processes",
JOURNAL="Acta mathematica academia Scientifica Hungaria",
VOLUME=6,
PAGES="101-128",
YEAR=1955,
REFERENCES=18,
KEYWORDS="M/g/1/*/*; FIFO; virtual waiting time; continuous state",
ABSTRACT="The state of a M/G/1-waiting system with time-dependend
arrival rate is described by the continuous stochastic process ``virtual
waiting time'' (= unfinished work). The distribution function of the
virtual waiting time is deduced. Furthermore the article deals with the
determination of the duration of the busy periods and the number of
waiting calls.",
}

@ARTICLE{Weis55:Confidence,
AUTHOR="L. Weiss",
TITLE="On confidence intervals of given length for the mean of a normal
distribution with unknown variance",
JOURNAL=ams,
VOLUME=26,
PAGES="348-",
YEAR=1955,
KEYWORDS="statistics; time series analysis",
}

@INPROCEEDINGS{Broc55:Traffic,
AUTHOR="E. Brockmeyer",
TITLE="A survey of traffic measuring methods in the Copenhagen
exchange",
BOOKTITLE=itc1,
ADDRESS="Copenhagen",
YEAR=1955,
KEYWORDS="Traffic measurement",
}

@ARTICLE{Cox55:Stochastic,
AUTHOR="D. R. Cox",
TITLE="The analysis of non-Markovian stochastic processes by the
inclusion of supplementary variables",
JOURNAL="Proceedings Cambridge Philosophical Society",
VOLUME=51,
NUMBER=3,
PAGES="433-441",
YEAR=1955,
REFERENCES=5,
KEYWORDS="Supplementary variable; Markov process; integro-differential
equation",
ABSTRACT="Certain stochastic processes with discrete states in
continuous time can be converted into Markov processes by the well-known
method of including supplementary variables. It is shown that the
resulting integro-differential equations simplify considerably when some
distributions associated with the process have rational Laplace
transforms. The results justify the formal use of complex transition
probabilities. Conditions under which it is likely",
}

@INPROCEEDINGS{Cox55:Use,
AUTHOR="D. R. Cox",
TITLE="A use of complex probabilities in the theory of stochastic
processes",
BOOKTITLE="Cambridge Philosophical Society",
VOLUME=51,
PAGES="313-319",
YEAR=1955,
KEYWORDS="Source model; phase-type model; process; phase concept; hyper
distribution; Laplace transform; method; Markov process; probability",
ABSTRACT="The exponential distribution is very important in the theory
of stochastic processes with discrete states in continuous time. A. K.
Erlang suggested a method of extending to other distributionsmethods
that apply in the first instance only to exponential distributions. His
idea is generalized to cover all distributions with rational Laplace
transforms, this involves the formal use of complex transition
probabilities.",
}

@INPROCEEDINGS{Ekbe55:Telephone,
AUTHOR="S. Ekberg",
TITLE="Telephone traffic research with the aid of the swedish traffic
analyzer",
BOOKTITLE=itc1,
ADDRESS="Copenhagen",
PAGES=32,
YEAR=1955,
KEYWORDS="Traffic machine",
}

@ARTICLE{Kief55:Theory,
AUTHOR="J. Kiefer and J. Wolfowitz",
TITLE="On the theory of queues with many servers",
JOURNAL=tams,
VOLUME=38,
PAGES="1-18",
YEAR=1955,
REFERENCES=6,
KEYWORDS="G/M/N; waiting time",
ABSTRACT="This paper is devoted is a system of $s$ ``servers''. The
interval between successive arrivals is to have an exponential
distribution. The assumption of an exponential or other special
distribution for either the interval between arrivals or the service
time of an individual or both usually makes the problem much easier. We
also allow the distribution of the interval between arrivals to be
arbitrary.",
}

@ARTICLE{Luka55:Application,
AUTHOR="E. Lukacs",
TITLE="Application of Faa di Bruno's formula in mathematical
statistics",
JOURNAL="American Mathematics Monthly",
VOLUME=62,
PAGES="340-348",
YEAR=1955,
REFERENCES=17,
KEYWORDS="Faa di bruno; application",
ABSTRACT="Berechnung der $n$-ten ableitung einer Funktion einer
Funktion.",
}

@ARTICLE{Pata55:Note,
AUTHOR="V. N. Patankar",
TITLE="A note on recurrent events",
JOURNAL="Proceedings Cambridge Philosophical Society",
VOLUME=51,
NUMBER=1,
PAGES="96-102",
YEAR=1955,
REFERENCES=5,
KEYWORDS="Markov process; z-transform; recurrent process; frequency
distribution",
ABSTRACT="The distribution of $n(i)$ the frequency of the state $e(i)$
in $n$ observations is considered.",
}

@INPROCEEDINGS{Chau55:Extension,
AUTHOR="J. Chauveau",
TITLE="Extension de la formule d`abonnés est limité",
BOOKTITLE=itc1,
ADDRESS="Copenhagen",
YEAR=1955,
LANGUAGE="French",
KEYWORDS="Loss system",
}

@ARTICLE{Cohe55:Berechnung,
AUTHOR="J. W. Cohen",
TITLE="Berechnung der Verkehrsgrößen im Wartezeitsystem aus den
Verkehrsgrößen eines Verlustsystems",
JOURNAL=ntz,
NUMBER=3,
PAGES=139,
YEAR=1955,
LANGUAGE="German",
KEYWORDS="Delay system",
}

@ARTICLE{Cohe55:Warteproblem,
AUTHOR="J. W. Cohen",
TITLE="Das Warteproblem für das vollkommene Bündel mit einer endlichen
Quellenzahl",
JOURNAL=ntz,
VOLUME=8,
NUMBER=12,
PAGES=641,
YEAR=1955,
LANGUAGE="German",
KEYWORDS="Delay system",
}

@INPROCEEDINGS{Elld55:Congestion,
AUTHOR="A. Elldin",
TITLE="On the congestion in gradings with random hunting",
BOOKTITLE=itc1,
ADDRESS="Copenhagen",
YEAR=1955,
KEYWORDS="Grading",
}

@TECHREPORT{Elld55:Automatic,
AUTHOR="A. Elldin",
TITLE="Automatic Telephone Exchanges with crossbar switches (switch
calculations)",
INSTITUTION="LM Ericsson",
ADDRESS="Stockholm",
NUMBER="B 11265",
YEAR=1955,
KEYWORDS="Link system",
}

@INPROCEEDINGS{Jaco55:Traffic,
AUTHOR="C. Jacobaeus",
TITLE="Traffic measurements with lamp panel, a new method for traffic
studies",
BOOKTITLE=itc1,
ADDRESS="Copenhagen",
YEAR=1955,
KEYWORDS="Gos",
}

@INPROCEEDINGS{Kost55:Application,
AUTHOR="L. Kosten",
TITLE="Application of artificial traffic methods to telephone problems",
BOOKTITLE=itc1,
ADDRESS="Copenhagen",
YEAR=1955,
KEYWORDS="Simulation",
}

@ARTICLE{Lee55:Switching,
AUTHOR="C. Lee",
TITLE="Analysis of Switching Networks",
JOURNAL=bstj,
NUMBER=2,
YEAR=1955,
KEYWORDS="Link system",
}

@ARTICLE{Lotz55:Erwiederung,
AUTHOR="A. Lotze",
TITLE="Erwiederung zur Stellungnahme von {J.} {W.} Cohen",
JOURNAL=ftz,
NUMBER=3,
PAGES=139,
YEAR=1955,
LANGUAGE="German",
KEYWORDS="Delay system",
}

@ARTICLE{Lotz55:Wartezeitprobleme,
AUTHOR="A. Lotze and E. Schwiderski",
TITLE="Wartezeitprobleme im Fernsprechverkehr",
JOURNAL=ntz,
NUMBER=12,
YEAR=1955,
LANGUAGE="German",
KEYWORDS="Delay system",
ABSTRACT="Inhalt: Erwiederung zur Stellungnahme von J. W. Cohen",
}

@ARTICLE{Rett55:Berechnung,
AUTHOR="J. Rettenberger",
TITLE="Die Berechnung der Verkehrsleistung von Schalter-Großautomaten",
JOURNAL="SEG-Nachrichten",
VOLUME=3,
NUMBER=1,
PAGES="17-24",
YEAR=1955,
LANGUAGE="German",
KEYWORDS="Link system",
}

@INPROCEEDINGS{Sysk55:Analogies,
AUTHOR="R. Syski",
TITLE="Analogies between the congestion and communication theories",
BOOKTITLE=itc1,
ADDRESS="Copenhagen",
YEAR=1955,
KEYWORDS="Loss system",
ABSTRACT="Zusammenfassung in Teleteknik Nr. 1, 1957",
}

@INPROCEEDINGS{Wrig55:Probability,
AUTHOR="E. P. G. Wright and J. Rice",
TITLE="Probability studies applied to telecommunication systems with
storage",
BOOKTITLE=itc1,
ADDRESS="Copenhagen",
YEAR=1955,
KEYWORDS="Delay system",
ABSTRACT="Zusammenfassung in: Teleteknik (1957), Nr. 1",
}

@ARTICLE{Cobh55:Priority,
AUTHOR="A. Cobham",
TITLE="Priority assignment -- a correction",
JOURNAL=jors,
VOLUME=3,
NUMBER=4,
PAGES=547,
YEAR=1955,
KEYWORDS="Queueing system; priority; analysis",
}

@ARTICLE{Cox55:Traffic,
AUTHOR="R. E. Cox",
TITLE="Traffic flow in an exponential delay system with priority
categories",
JOURNAL="The Proceedings of the Institution of Electrical Engineers
(IEE), Part B (Radio and Electronic Engineering)",
VOLUME=102,
PAGES="815-818",
YEAR=1955,
KEYWORDS="Queueing system; priority; analysis",
}

@ARTICLE{Baue5509:Berechnung,
AUTHOR="F. L. Bauer and H. Störmer",
TITLE="Berechnung von Wartezeiten in Vermittlungseinrichtungen mit
kleinen Zubringerb ndeln",
JOURNAL=aeu,
ADDRESS="Germany",
NUMBER=9,
PAGES="69-73",
YEAR=1955,
LANGUAGE="German",
KEYWORDS="Delay system",
}

@ARTICLE{Barr55:Waiting,
AUTHOR="D. Y. Barrer",
TITLE="A Waiting Line Problem Characterized by Impatient Customers and
Indifferent Clerks",
JOURNAL=or,
VOLUME=3,
PAGES=360,
YEAR=1955,
KEYWORDS="Queueing system; impatient customer",
ABSTRACT="Time-out",
}

@ARTICLE{Godd55:Transition,
AUTHOR="L. S. Goddard",
TITLE="Transition Matrices Occurring in the Theory of Markoff
Processes",
JOURNAL="Proceedings Cambridge Philosophical Society",
VOLUME=51,
NUMBER="383-384",
YEAR=1955,
KEYWORDS="Markov process; transition matrix; theory; analysis",
}

@ARTICLE{Lotz5503:Berechnung,
AUTHOR="A. Lotze",
TITLE="Berechnung der Verkehrsgrössen im Wartezeitsystem aus den
Verkehrsgrössen eines Verlustsystems",
JOURNAL=ntz,
ADDRESS="Germany",
NUMBER=3,
PAGES="139-140",
YEAR=1955,
LANGUAGE="German",
KEYWORDS="Loss system; queueing system",
ABSTRACT="(VBI-001957): Erwiderung zur Stellungnahme von J.W. Cohen",
}

@ARTICLE{Taan55:Optimal,
AUTHOR="I. Taange",
TITLE="Optimal Use of Both-Way Circuits in Cases of Unlimited
Availability",
JOURNAL=tele,
ADDRESS="Sweden",
NUMBER=3,
PAGES="154-163",
NOTE="Also at ITC-1",
YEAR=1955,
KEYWORDS="Junction network",
}