@article{10_1017_S2040618500033177,
     author = {Ragab, F. M.},
     title = {A {Product} of two {E-Functions} {Expressed} as a {Sum} of {Two} {E-Functions}},
     journal = {Glasgow mathematical journal},
     pages = {124--126},
     year = {1955},
     volume = {2},
     number = {3},
     doi = {10.1017/S2040618500033177},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500033177/}
}