@article{MZ_1964__83_170210,
     author = {Arun Verma},
     title = {General expansions involving {E-functions.}},
     journal = {Mathematische Zeitschrift},
     pages = {29--36},
     publisher = {mathdoc},
     volume = {83},
     year = {1964},
     zbl = {0115.06004},
     url = {http://geodesic.mathdoc.fr/item/MZ_1964__83_170210/}
}