@article{MZ_1923__17_167728,
     author = {L. Lichtenstein},
     title = {Untersuchungen \"uber die {Figur} der {Himmelsk\"orper.} {Vierte} {Abhandlung.} {Zur} {Maxwellschen} {Theorie} der {Saturnringe}},
     journal = {Mathematische Zeitschrift},
     pages = {62--110},
     publisher = {mathdoc},
     volume = {17},
     year = {1923},
     zbl = {49.0677.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1923__17_167728/}
}