%0 Journal Article
%A N. A. Shananin
%T On local unsolvability and nonhypoellipticity of (pseudo-) differential equations with weighted symbols
%J Sbornik. Mathematics
%D 1984
%P 541-556
%V 47
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1984_47_2_a15/
%G en
%F SM_1984_47_2_a15