%0 Journal Article %A G. G. Rasputin %T A lower bound for the number of nodes in the cubature formula for a centrally symmetric integral %J Matematičeskie zametki %D 1989 %P 70-75 %V 45 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1989_45_5_a7/ %G ru %F MZM_1989_45_5_a7