%0 Journal Article
%A Luchezar Stojanov
%A Vesselin Petkov
%T Spectrum of the Poincaré Map for Periodic Reflecting Rays in Generic Domains.
%J Mathematische Zeitschrift
%D 1987
%P 505-518
%V 194
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1987__194_173852/
%F MZ_1987__194_173852