1. Polynomial learnability of probabilistic concepts with respect to the kullback-leibler divergence;Naoki Abe;Proceedings of the fourth annual workshop on Computational learning theory,1991
2. Polynomial learnability of stochastic rules with respect to the kl-divergence and quadratic distance;Naoki Abe;IEICE Transactions on Information and Systems,2001
3. Scale-sensitive dimensions, uniform convergence, and learnability;Shai Noga Alon;Journal of the ACM (JACM),1997