@article{GDZPPN002383748,
title = {Note on the number of real zeros of the confluent hypergeometric function F (a;c;x).},
journal = {Mathematische Zeitschrift},
volume = {59},
year = {1953},
pages = {448-452},
zbl = {0050.29502},
url = {http://dml.mathdoc.fr/item/GDZPPN002383748}
}
Skovgaard, H. Note on the number of real zeros of the confluent hypergeometric function F (a;c;x).. Mathematische Zeitschrift, Tome 59 (1953) pp. 448-452. http://gdmltest.u-ga.fr/item/GDZPPN002383748/