%0 Journal Article
%A M. M. Popov
%T Problem of whispering gallery waves in a neighborhood of a simple zero of the effective curvature of the boundary
%J Zapiski Nauchnykh Seminarov POMI
%D 1976
%P 197-206
%V 62
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a15/
%G ru
%F ZNSL_1976_62_a15