@article{10_1017_S2040618500034456,
     author = {Ragab, F. M.},
     title = {Summation of a series of products of {E-functions}},
     journal = {Glasgow mathematical journal},
     pages = {118--120},
     year = {1962},
     volume = {5},
     number = {3},
     doi = {10.1017/S2040618500034456},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034456/}
}