%0 Journal Article %A A. G. Sukharev %T Optimal numerical integration formulas for some classes of functions of several variables %J Doklady Akademii Nauk %D 1979 %P 282-285 %V 246 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_246_2_a5/ %G ru %F DAN_1979_246_2_a5