@misc{MZ_1924__19_167772,
     title = {Sternberg,W., {Die} charakteristischen {Eigenschaften} des                   logarithmischen {Potentials}},
     journal = {Mathematische Zeitschrift},
     pages = {145--150},
     publisher = {mathdoc},
     volume = {19},
     year = {1924},
     zbl = {49.0336.05},
     url = {http://geodesic.mathdoc.fr/item/MZ_1924__19_167772/}
}