@article{MAN_1900__53_157987,
     author = {Th. Vahlen},
     title = {Beweis des {Lindemann'schen} {Satzes} \"uber die {Exponentialfunction.}},
     journal = {Mathematische Annalen},
     pages = {457--460},
     publisher = {mathdoc},
     volume = {53},
     year = {1900},
     zbl = {31.0433.08},
     url = {http://geodesic.mathdoc.fr/item/MAN_1900__53_157987/}
}