%0 Journal Article
%A G. A. Gal'perin
%T The existence of nonperiodic and not everywhere dense billiard
%J Doklady Akademii Nauk
%D 1984
%P 18-22
%V 275
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1984_275_1_a2/
%G ru
%F DAN_1984_275_1_a2