TY - BOOK AU - Prieto Rumeau, Tomas AU - Hernandez Lerma, Onesimo, coaut. TI - Bias optimality for continuos-time controlled Markov chains- / by Tomas Prieto Rumeau and Onesimo Hernandez Lerma CY - Mexico : IPN, Centro de Investigacion y de Estudios Avanzados, Depar- ER -