%0 Journal Article
%A A. S. Silbergleit
%A Ju. I. Kopilevich
%T On the dispersion curves of waveguide systems that are connected with quadratic operator pencils
%J Doklady Akademii Nauk
%D 1981
%P 1345-1349
%V 259
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1981_259_6_a16/
%G ru
%F DAN_1981_259_6_a16