TY  - JOUR
AU  - Lipman Bers
TI  - The equivalence of two definitions of quasiconformal mappings.
JO  - Commentarii mathematici Helvetici
PY  - 1962
SP  - 148
EP  - 154
VL  - 37
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1962__37_139253/
ID  - CMH_1962__37_139253
ER  -