%0 Journal Article
%A V. V. Vedyushkina
%T The Liouville foliation of the billiard book modelling the Goryachev--Chaplygin case
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2020
%P 64-68
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_2020_1_a9/
%G ru
%F VMUMM_2020_1_a9