%0 Journal Article
%A Tabachnikov, Serge
%T On three-periodic trajectories of multi-dimensional dual billiards
%J Algebraic and Geometric Topology
%D 2003
%P 993-1004
%V 3
%N 2
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2003.3.993/
%R 10.2140/agt.2003.3.993
%F 10_2140_agt_2003_3_993