%0 Journal Article
%A Berend, Daniel
%T IP-Sets on the Circle
%J Canadian journal of mathematics
%D 1990
%P 575-589
%V 42
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1990-030-8/
%R 10.4153/CJM-1990-030-8
%F 10_4153_CJM_1990_030_8