ANALYSIS OF A VERSATILE MULTI-CLASS DELAY-LOSS SYSTEM WITH A SUPERIMPOSED MARKOVIAN ARRIVAL PROCESS СтатьяKrieger U.R., Naoumov V., Wagner D.European Journal of Operational Research. Том 108. 1998. С. 425-437
MATRIX-MULTIPLICATIVE APPROACH TO QUASI-BIRTH-AND-DEATH PROCESSES ANALYSIS СтатьяNaoumov V.MATRIX-ANALYTIC METHODS IN STOCHASTIC MODELS. Том 183. 1996. С. 87-106