%0 Journal Article %A T. Kh. Sharipov %T An upper bound for the norm of the error functional for cubature formulas with a Sobolev regular boundary layer %J Doklady Akademii Nauk %D 1972 %P 51-53 %V 202 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_202_1_a12/ %G ru %F DAN_1972_202_1_a12