%0 Journal Article
%A V. G. Prikazchikov
%T Steepest descent in a spectral problem
%J Differencialʹnye uravneniâ
%D 1986
%P 1268-1271
%V 22
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1986_22_7_a21/
%G ru
%F DE_1986_22_7_a21