%0 Journal Article %A K. I. Babenko %T Some remarks on approximation of functions of several variables %J Sbornik. Mathematics %D 1971 %P 493-511 %V 15 %N 4 %U http://geodesic.mathdoc.fr/item/SM_1971_15_4_a0/ %G en %F SM_1971_15_4_a0