TY  - JOUR
AU  - B.G. Eke
TI  - On the Angular Derivative of Regular Functions.
JO  - Mathematica Scandinavica
PY  - 1967
SP  - 122
EP  - 127
VL  - 21
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1967__21_166011/
ID  - MS2_1967__21_166011
ER  -