%0 Journal Article
%A An. M. Leontovich
%T The existence of unbounded oscillating trajectories in a problem of billiards
%J Doklady Akademii Nauk
%D 1962
%P 523-526
%V 145
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_145_3_a12/
%G ru
%F DAN_1962_145_3_a12