%0 Journal Article %A A. B. Gulisashvili %T Traces of functions belonging to Sobolev and Besov spaces and extensions from subsets of Euclidean space %J Zapiski Nauchnykh Seminarov POMI %D 1987 %P 137-145 %V 157 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1987_157_a12/ %G ru %F ZNSL_1987_157_a12