%0 Journal Article %A O. V. Besov %T Equivalent Norms in Spaces of Functions of Fractional Smoothness on Arbitrary Domains %J Matematičeskie zametki %D 2003 %P 340-349 %V 74 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2003_74_3_a2/ %G ru %F MZM_2003_74_3_a2