%0 Journal Article
%A Hahn, K. T.
%A Mitchell, Josephine
%T Generalization of Schwarz-Pick Lemma to Invariant Volume
%J Canadian journal of mathematics
%D 1969
%P 669-674
%V 21
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-076-2/
%R 10.4153/CJM-1969-076-2
%F 10_4153_CJM_1969_076_2