TY - JOUR AU - Peter Lappan TI - A p-Valent Function with a Non-Normal Derivative. JO - Mathematische Zeitschrift PY - 1975 SP - 147 EP - 148 VL - 144 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1975__144_172248/ ID - MZ_1975__144_172248 ER -