%0 Journal Article
%A L. A. Bunimovich
%A Ya. G. Sinai
%T On~a~fundamental theorem in the theory of dispersing billiards
%J Sbornik. Mathematics
%D 1973
%P 407-423
%V 19
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1973_19_3_a3/
%G en
%F SM_1973_19_3_a3