%0 Journal Article %A G. G. Akopyan %T An estimate of the errors of cubature formulas for differentiable functions on domains with degenerate angles %J Doklady Akademii Nauk %D 1979 %P 11-15 %V 248 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_248_1_a0/ %G ru %F DAN_1979_248_1_a0