%0 Journal Article %A O. D. Gabisoniya %T A bound for the total best approximation of a function of several variables by partial best approximations %J Doklady Akademii Nauk %D 1963 %P 255-257 %V 153 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_153_2_a0/ %G ru %F DAN_1963_153_2_a0