Estimation and adaptive control of span-contracting Markov decision processes. - Gerhard Hübner (Kybernetika, 1991)

Adaptive policy-iteration and policy-value-iteration for discounted Markov decision processes. - Gerhard Hübner; Manfred Schäl (ZOR Methods Model. Oper. Res., 1991)

Adaptive Markov Control Processes (D. Hernandez-Lerma). - Gerhard Hübner (SIAM Rev., 1991)