TY  - JOUR
AU  - F.M. Ragab
AU  - T.M. MacRobert
TI  - E-Function Series whose Sums are Constants.
JO  - Mathematische Zeitschrift
PY  - 1962
SP  - 231
EP  - 234
VL  - 78
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1962__78_170026/
ID  - MZ_1962__78_170026
ER  -