1. Markov-renewal programming: I;Jewell;Operations Res.,1963
2. Markov-renewal programming: II;Jewell;Operations Res.,1963
3. A dynamic programming algorithm for embedded Markov chains when the planning horizon is at infinity;DeCani;Management Sci.,1964
4. Research in semi-Markovian decision structures;Howard;Journal of the Operations Research Society of Japan,1964
5. Perturbation theory and Markovian decision processes;Schweitzer;M.I.T. Operations Research Center Technical Report No. 15,1965