%0 Journal Article
%A P. B. Kagan
%T Sobolev functional spaces of negative order and their application to the Neumann problem
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1962
%P 43-46
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1962_5_a5/
%G ru
%F IVM_1962_5_a5