%0 Journal Article
%A V. M. Babich
%A V. V. Ulin
%T On complex ray solutions and eigenfunctions concentrated in a~neighbourhood of the closed geodesic
%J Zapiski Nauchnykh Seminarov POMI
%D 1981
%P 6-13
%V 104
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1981_104_a0/
%G ru
%F ZNSL_1981_104_a0