%0 Journal Article
%A B. V. Bazalii
%A I. I. Danilyuk
%A I. V. Skrypnik
%T Conference on Nonlinear Problems of Mathematical Physics
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1989
%V 44
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1989_44_3_a26/
%G ru
%F RM_1989_44_3_a26