%0 Journal Article %A B. S. Kashin %T Diameters of some finite-dimensional sets and classes of smooth functions %J Izvestiya. Mathematics %D 1977 %P 317-333 %V 11 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1977_11_2_a5/ %G en %F IM2_1977_11_2_a5