%0 Journal Article
%A Ya. B. Vorobets
%T Billiards in rational polygons: Periodic trajectories, symmetries and $d$-stability
%J Matematičeskie zametki
%D 1997
%P 66-75
%V 62
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1997_62_1_a6/
%G ru
%F MZM_1997_62_1_a6