%0 Journal Article
%A V. A. Il'in
%A I. A. Shishmarev
%T Some problems for the $Lu=\operatorname{div}[p(x)\operatorname{grad}u]-q(x)u$ operator with discontinuous coefficients
%J Doklady Akademii Nauk
%D 1960
%P 775-778
%V 135
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_135_4_a2/
%G ru
%F DAN_1960_135_4_a2