@article{GDZPPN002388510,
title = {Infinite Series of E-Functions.},
journal = {Mathematische Zeitschrift},
volume = {71},
year = {1959},
pages = {143-145},
zbl = {0085.29101},
url = {http://dml.mathdoc.fr/item/GDZPPN002388510}
}
MacRobert, T.M. Infinite Series of E-Functions.. Mathematische Zeitschrift, Tome 71 (1959) pp. 143-145. http://gdmltest.u-ga.fr/item/GDZPPN002388510/