%0 Journal Article
%A M. A. Nikulin
%T Elliptic billiard with cosine law of refraction on confocal quadrics
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2025
%P 16-23
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_2025_2_a2/
%G ru
%F VMUMM_2025_2_a2