@article{MAN_1960__140_160787,
     author = {B. Volkmann},
     title = {Zur {Mahlerschen} {Vermutung} im {Komplexen.}},
     journal = {Mathematische Annalen},
     pages = {351--359},
     publisher = {mathdoc},
     volume = {140},
     year = {1960},
     zbl = {0093.05501},
     url = {http://geodesic.mathdoc.fr/item/MAN_1960__140_160787/}
}