@article{10_1017_S2040618500035711,
     author = {Ragab, F. M.},
     title = {A {Linear} {Relation} between {E-Functions}},
     journal = {Glasgow mathematical journal},
     pages = {185--186},
     year = {1953},
     volume = {1},
     number = {4},
     doi = {10.1017/S2040618500035711},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500035711/}
}