TY  - JOUR
AU  - Peter Lappan
TI  - A Criterion for a Meromorphic Function to be Normal
JO  - Commentarii mathematici Helvetici
PY  - 1974
SP  - 492
EP  - 495
VL  - 49
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1974__49_139596/
ID  - CMH_1974__49_139596
ER  -