TY  - JOUR
AU  - Edgar Reich
TI  - On a characterization of quasiconformal mappings.
JO  - Commentarii mathematici Helvetici
PY  - 1962
SP  - 44
EP  - 48
VL  - 37
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1962__37_139244/
ID  - CMH_1962__37_139244
ER  -