%0 Journal Article
%A Yu. G. Smirnov
%T The application of the operator pencil method in a problem
%J Doklady Akademii Nauk
%D 1990
%P 597-599
%V 312
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_312_3_a19/
%G ru
%F DAN_1990_312_3_a19