TY  - JOUR
AU  - Dariusz Partyka
TI  - A distortion theorem for quasiconformal automorphisms of the unit disk
JO  - Annales Polonici Mathematici
PY  - 1991
SP  - 277
EP  - 281
VL  - 55
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-55-1-277-281/
DO  - 10.4064/ap-55-1-277-281
LA  - en
ID  - 10_4064_ap_55_1_277_281
ER  -