%0 Journal Article %A V. M. Fedorov %T Approximation of functions on a sphere.~II %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1991 %P 30-38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1991_2_a7/ %G ru %F VMUMM_1991_2_a7