TY  - JOUR
AU  - Peter Lappan
TI  - Some results on harmonic normal functions.
JO  - Mathematische Zeitschrift
PY  - 1965
SP  - 155
EP  - 159
VL  - 90
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1965__90_170473/
ID  - MZ_1965__90_170473
ER  -