@article{MZ_1962__78_170025,
     author = {F.M. Ragab},
     title = {Reihen von {Produkten} {MacRobertscher} {E-Funktionen.}},
     journal = {Mathematische Zeitschrift},
     pages = {222--230},
     publisher = {mathdoc},
     volume = {78},
     year = {1962},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1962__78_170025/}
}