@article{MZ_1962__79_170064,
     author = {Johann Tschauner},
     title = {\"Uber eine {Verallgemeinerung} der {Exponentialreihe.}},
     journal = {Mathematische Zeitschrift},
     pages = {239--242},
     publisher = {mathdoc},
     volume = {79},
     year = {1962},
     zbl = {0108.06903},
     url = {http://geodesic.mathdoc.fr/item/MZ_1962__79_170064/}
}