1. H. Daduna and P. S. Knopov, “Optimal admission control for M/D/1/K queueing systems,” Prepr. Institute fur Math. Stochastik, Univ. Hamburg, 98–11, Hamburg (1998).
2. H. Daduna, P. S. Knopov, and L. P. Tur, “Optimal base stock strategies for inventory systems with general cost functions,” Prepr. Institute fur Math. Stochastik, Univ. Hamburg, 98–8, Hamburg (1998).
3. L. G. Gubenko, “Optimum check of monotone Markovian process,” Cybernetics, No. 1, 104–107 (1974).
4. L. G. Gubenko and E. S. Statland, “On controlled Markov processes in discrete time,” Theory of Probability and Mathematical Statistics, No. 7, 47–61 (1975).
5. L. G. Gubenko and E. S. Statland, “On controlled semi-Markov processes,” Cybernetics, No. 2, 26–29 (1972).