@article{JRAM_1963__212_150573,
     author = {F.M. Ragab},
     title = {Expansions of {Kamp\'e} de {Feriet's} {Double} {Hypergeometric} {Function} of {Higher} {Order.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {113--119},
     publisher = {mathdoc},
     volume = {212},
     year = {1963},
     zbl = {0114.03605},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1963__212_150573/}
}