%0 Journal Article
%A M. M. Popov
%T Correctness of the problem of whispering gallery waves in a~vicinity of the-points where boundary's curvature vanishes
%J Zapiski Nauchnykh Seminarov POMI
%D 1979
%P 261-269
%V 89
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1979_89_a18/
%G ru
%F ZNSL_1979_89_a18