Self learning control of constrained Markov chains - a gradient approach. - Felisa J. Vázquez-Abad; Vikram Krishnamurthy; Katerine Martin; Irina Baltcheva (CDC, 2002)

Implementation of gradient estimation to a constrained Markov decision problem. - Vikram Krishnamurthy; Katerine Martin; Felisa Vasquez Abad (CDC, 2003)