%0 Journal Article
%A V. V. Vedyushkina
%T Fomenko--Zieschang invariants of topological billiards bounded by confocal parabolas
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2018
%P 22-28
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_2018_4_a3/
%G ru
%F VMUMM_2018_4_a3