%0 Journal Article %A A. L. Fuksman %T Approximation of functions under homogeneous boundary conditions %J Doklady Akademii Nauk %D 1960 %P 289-291 %V 134 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_134_2_a11/ %G ru %F DAN_1960_134_2_a11