%0 Journal Article
%A Yu. G. Safarov
%T Asymptotics of the spectrum of a boundary-value problem with periodic billiard trajectories
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1987
%P 88-90
%V 21
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1987_21_4_a16/
%G ru
%F FAA_1987_21_4_a16