@article{GDZPPN002282208, title = {Ganze transzendente L\"osungen algebraischer Differentialgleichungen}, journal = {Mathematische Annalen}, volume = {122}, year = {1950}, pages = {221-234}, zbl = {0038.23001}, url = {http://dml.mathdoc.fr/item/GDZPPN002282208} }
Wittich, Hans. Ganze transzendente Lösungen algebraischer Differentialgleichungen. Mathematische Annalen, Tome 122 (1950) pp. 221-234. http://gdmltest.u-ga.fr/item/GDZPPN002282208/