TY - BOOK AU - Shulman S A TI - Two topics in semi-markov processes: semi markov proceses which are functions of markov chains - I ; Estimation of the parameters of a semi-markov process from aggregate data - II U1 - 519.233 PY - 1977/// CY - Chapel Hill PB - North Carolina Univ KW - Markov chain KW - Markov processes KW - Semi markov processes ER -