%0 Journal Article
%A S. L. Sobolev
%T The extensions of abstract function spaces connected with the theory of the integral
%J Doklady Akademii Nauk
%D 1957
%P 1170-1173
%V 114
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_114_6_a8/
%G ru
%F DAN_1957_114_6_a8