%0 Journal Article
%A Yu. A. Dubinskii
%T On nonlinear elliptic equations of infinite order and the nontriviality of the corresponding Sobolev spaces
%J Doklady Akademii Nauk
%D 1975
%P 22-25
%V 222
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_222_1_a3/
%G ru
%F DAN_1975_222_1_a3