TY  - JOUR
AU  - Hahn, K. T.
AU  - Mitchell, Josephine
TI  - Generalization of Schwarz-Pick Lemma to Invariant Volume
JO  - Canadian journal of mathematics
PY  - 1969
SP  - 669
EP  - 674
VL  - 21
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-076-2/
DO  - 10.4153/CJM-1969-076-2
ID  - 10_4153_CJM_1969_076_2
ER  -