%0 Journal Article
%A R. S. Ismagilov
%A Sh. Sh. Sultanov
%T Differential Operators Symmetric with Respect to an Indefinite Metric
%J Matematičeskie zametki
%D 2011
%P 846-855
%V 89
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2011_89_6_a4/
%G ru
%F MZM_2011_89_6_a4