%0 Journal Article
%A O. V. Besov
%A V. P. Il'in
%T Natural extension of the class of regions in embedding theorems
%J Sbornik. Mathematics
%D 1968
%P 445-456
%V 4
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1968_4_4_a0/
%G en
%F SM_1968_4_4_a0