%0 Journal Article
%A Gilman, Jane
%T Inequalities in Discrete Subgroups of PSL(2, R)
%J Canadian journal of mathematics
%D 1988
%P 115-130
%V 40
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1988-005-x/
%R 10.4153/CJM-1988-005-x
%F 10_4153_CJM_1988_005_x