%0 Journal Article %A O. V. Besov %T Estimates of moduli of smoothness of functions on domains, and imbedding theorems %J Informatics and Automation %D 1972 %P 22-46 %V 117 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1972_117_a2/ %G ru %F TRSPY_1972_117_a2