%0 Journal Article
%A S. E. Pustovoitov
%T Topological analysis of an elliptic billiard in a fourth-order potential field
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2021
%P 8-19
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_2021_5_a1/
%G ru
%F VMUMM_2021_5_a1