1. Markov Chains with Stationary Transition Probabilities;Chung,1960
2. System states analysis and flow graph diagrams in reliability;Dolazza;IEEE Trans. Reliability,1966
3. Dynamic Programming and Markov Processes;Howard,1960
4. On a certain possibility of structural synthesis of probabilistic automata;Knast;Poznan. Tow. Przyj. Nauk. Prace Kom. Bud. Maszyn i Elektr.,1967