Anisimov, V. V.; Atadzhanov, Kh. L. Diffusion approximation of systems with repeated calls. (Russian) Zbl 0764.60038 Teor. Veroyatn. Mat. Stat., Kiev 44, 3-8 (1991). The authors investigate an embedded Markov chain for an \(M/G/1\) type retrial queue. It is proved that under low rate of retrials the scaled process converges to a solution of an ordinary differential equation and the centered and normalized process converges to a solution of a stochastic differential equation. The analysis is based on a general theory for recursive stochastic sequences which was developed before by the authors. Reviewer: G.Falin (Moskva) Cited in 1 ReviewCited in 3 Documents MSC: 60F17 Functional limit theorems; invariance principles 60J10 Markov chains (discrete-time Markov processes on discrete state spaces) 60J60 Diffusion processes 60K25 Queueing theory (aspects of probability theory) 90B22 Queues and service in operations research Keywords:diffusion approximation; unreliable server; embedded Markov chain; retrial queue; low rate of retrials; stochastic differential equation PDFBibTeX XMLCite \textit{V. V. Anisimov} and \textit{Kh. L. Atadzhanov}, Teor. Veroyatn. Mat. Stat., Kiev 44, 3--8 (1991; Zbl 0764.60038)