%0 Journal Article
%A L. F. Yukhno
%T Generalization of the Wittrick--Williams method to nonlinear spectral problems with a multiple spectrum
%J Differencialʹnye uravneniâ
%D 1995
%P 1261-1264
%V 31
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1995_31_7_a20/
%G ru
%F DE_1995_31_7_a20