%0 Journal Article %A A. L. Fuksman %T Approximation of functions of several variables with preservation of boundary conditions %J Doklady Akademii Nauk %D 1961 %P 1050-1053 %V 141 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_141_5_a12/ %G ru %F DAN_1961_141_5_a12