%0 Journal Article %A M. I. Ganzburg %T A multidimensional limit theorem in the theory of best polynomial approximation %J Doklady Akademii Nauk %D 1978 %P 17-20 %V 242 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_242_1_a2/ %G ru %F DAN_1978_242_1_a2