1. Zorin, A.V. and Fedotkin, M.A., Sistema s razdeleniem vremeni v usloviyakh izmeneniya struktury obsluzhivayushchego ustroistva i struktury vkhodnykh potokov (A Time-Sharing System under Server and Input Flow Structural Variations), Available from VINITI, 2003, Nizhni Novgorod, no. 1704-B2003.
2. Zorin, A.V. and Fedotkin, M.A., Ob optimal’nom upravlenii protsessami s pazdeleniem vremeni v sluchainoi srede (Optimal Control for Time-Sharing Processes in a Stochastic Medium), Available from VINITI, 2004, Nizhni Novgorod, no. 1120-B2004.
3. Klimov, G.L., A Time-Sharing Queue. I, Teor. Veroyatn. Primenen., 1974, vol. XIX, no.3, pp 558–576.
4. Fedotkin, M.A. and Zorin, A.V., Optimal Control of Conflict Flows with Repeated Service, Transactions XXIV Int. Seminar on Stability Probl. Stochast. Models, Riga, 2004, pp. 126–132.