%0 Journal Article
%A B. Z. Katsenelenbaum
%T A contribution to the general theory of non-regular wave guides
%J Doklady Akademii Nauk
%D 1957
%P 203-206
%V 116
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_116_2_a10/
%G ru
%F DAN_1957_116_2_a10