@article{GDZPPN002407868, title = {Entire Functions of Unbounded Index and Having Simple Zeros.}, journal = {Mathematische Zeitschrift}, volume = {114}, year = {1970}, pages = {193-196}, zbl = {0193.36701}, url = {http://dml.mathdoc.fr/item/GDZPPN002407868} }
Swarupchand, M. Shah. Entire Functions of Unbounded Index and Having Simple Zeros.. Mathematische Zeitschrift, Tome 114 (1970) pp. 193-196. http://gdmltest.u-ga.fr/item/GDZPPN002407868/