TY  - JOUR
AU  - Pekka Tukia
TI  - On discrete groups of the unit disk and their isomorphisms
JO  - Annales Fennici Mathematici
PY  - 1972
VL  - 501-520
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1972.504/
DO  - 10.5186/aasfm.1972.504
LA  - en
ID  - AFM_1972_501-520_a16
ER  -