GREFENSTETTE, J. J. Credit Assignment in Rule Discovery Systems Based on Genetic Algorithms. Machine Learning. 1998, 3, 225-245
JAAKKOLA, T. Reinforcement Learning Algorithm for Partially Observable Markov Decision Problems. Advances in Neural Information Processing Systems 7 (NIPS-94). 1994, 345-352
McCALLUM, R. A. Instance-Based Utile Distinctions for Reinforcement Learning with Hidden State. Proceedings of the 12th International Conferencle on Machine Learning. 1995, 387-395