@article{MZ_1922__12_167669,
     author = {G. P\'olya},
     title = {\"Uber die {Nullstellen} sukzessiver {Derivierten}},
     journal = {Mathematische Zeitschrift},
     pages = {36--60},
     publisher = {mathdoc},
     volume = {12},
     year = {1922},
     zbl = {48.0370.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1922__12_167669/}
}