%0 Journal Article %A B. G. Vakulov %A S. G. Samko %T Equivalent normings in spaces of functions of fractional smoothness on the sphere, of type $C^\lambda(S_{n-1})$, $H^\lambda(S_{n-1})$ %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1987 %P 68-71 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1987_12_a14/ %G ru %F IVM_1987_12_a14