M. Anthony and P. L. Bartlett, Neural Network Learning: Theoretical Foundations, 1999.DOI : 10.1017/CBO9780511624216
L. Györfi, M. Kohler, A. Krzy?, and H. Walk, A Distribution-Free Theory of Nonparametric Regression, 2002.DOI : 10.1007/b97848
R. Koenker, quantreg: Quantile Regression. R package version 5.05, 2013.