%0 Journal Article
%A A. N. Kirillov
%A R. V. Alkin
%T Stability of periodic billiard trajectories in triangle
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2018
%P 25-39
%V 18
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ISU_2018_18_1_a2/
%G ru
%F ISU_2018_18_1_a2