3Pablo Martinez-Camblor. Studying the bandwidth in k -siunple smooth tests[J].Con~utadonal Statistics April 2013, Voltmle 28, Issue2, pp 875-892.
4Angelika Rohde ~ Lutz D i1 mbgen. Statistical inference for the optimal approximating model[J]. Probab. Theory Relat. Fields 2013, 155:839 - 865.
5Alexander Meister ~ Markus Rei.Asymptotic equivalence for nonparametric regression with non-regular errors[J]. Probab. Theory Relat. Fields 2013,155:201 - 229.
6Rosenblatt M. Remarks on some nonparametric estimates of density function[J]. Ann.Math Ann.Math. Statist., 1956,27:832~837.