%0 Journal Article
%A Rafał Kołodziej
%T The rotation number of some transformation related to billiards in an ellipse
%J Studia Mathematica
%D 1985
%P 293-302
%V 81
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-81-3-293-302/
%R 10.4064/sm-81-3-293-302
%G en
%F 10_4064_sm_81_3_293_302