@article{GDZPPN002472171, title = {On the Product of Two Confluent Hypergeometric Functions.}, journal = {Monatshefte f\"ur Mathematik}, volume = {61}, year = {1957}, pages = {312-317}, zbl = {0078.25804}, url = {http://dml.mathdoc.fr/item/GDZPPN002472171} }
Ragab, F.M. On the Product of Two Confluent Hypergeometric Functions.. Monatshefte für Mathematik, Tome 61 (1957) pp. 312-317. http://gdmltest.u-ga.fr/item/GDZPPN002472171/