@article{GDZPPN002180103,
title = {Expansions of Kamp\'e de Feriet's Double Hypergeometric Function of Higher Order.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {212},
year = {1963},
pages = {113-119},
zbl = {0114.03605},
url = {http://dml.mathdoc.fr/item/GDZPPN002180103}
}
Ragab, F.M. Expansions of Kampé de Feriet's Double Hypergeometric Function of Higher Order.. Journal für die reine und angewandte Mathematik, Tome 212 (1963) pp. 113-119. http://gdmltest.u-ga.fr/item/GDZPPN002180103/