%0 Journal Article %A B. T. Polyak %A A. B. Tsybakov %T Asymptotic optimality of the $C_p$-test for the orthogonal series estimation of regression %J Teoriâ veroâtnostej i ee primeneniâ %D 1990 %P 305-317 %V 35 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1990_35_2_a8/ %G ru %F TVP_1990_35_2_a8