%0 Journal Article %A M. Nussbaum %T On the non-parametric estimation of a~regression function which is smooth on a~domain in $R^k$ %J Teoriâ veroâtnostej i ee primeneniâ %D 1986 %P 118-125 %V 31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1986_31_1_a9/ %G ru %F TVP_1986_31_1_a9