%0 Journal Article
%A P. A. Mishnaevskii
%T Investigation of a second-order elliptic operator in domains with an infinite boundary by means of the operator Sturm--Liouville equation.~I
%J Differencialʹnye uravneniâ
%D 1983
%P 445-457
%V 19
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1983_19_3_a8/
%G ru
%F DE_1983_19_3_a8