1. 1968, Convergence of Probability Measures;Billingsley,1968
2. Markov Processes I;Dynkin,1965
3. Introduction to the Theory of Random Processes;Gihman,1969
4. Controlled Stochastic Processes;Gihman,1979
5. Finding transient solutions in Markovian event systems through randomization;Grassman,1990