%0 Journal Article
%A A. I. Koshelev
%T A~certain inequality for second order elliptic operators with bounded coefficients
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1971
%P 75-80
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1971_12_a8/
%G ru
%F IVM_1971_12_a8