%0 Journal Article %A A. I. Kamzolov %T On~the Kolmogorov diameters of classes of smooth functions on a sphere %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1989 %P 196-197 %V 44 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1989_44_5_a10/ %G en %F RM_1989_44_5_a10