Rafiuddin Syam Keigo Watanabe Kiyotaka Izumi An Adaptive Actor-critic Algorithm with Multi-step Simulated Experiences for Controlling Nonholonomic Mobile Robots. 81-89 2007 11 Soft Comput. 1 http://dx.doi.org/10.1007/s00500-006-0054-x db/journals/soco/soco11.html#SyamWI07