@article{MZ_1955__63_169511,
     author = {Oskar Perron},
     title = {\"Uber die {Abh\"angigkeit} von {Potenzsummen} un einen {Satz} von {P\'olya.}},
     journal = {Mathematische Zeitschrift},
     pages = {19--30},
     publisher = {mathdoc},
     volume = {63},
     year = {1955},
     zbl = {0067.00901},
     url = {http://geodesic.mathdoc.fr/item/MZ_1955__63_169511/}
}