@article{MZ_1919__3_167498,
     author = {L. Lichtenstein},
     title = {\"Uber eine isoperimetrische {Aufgabe} der mathematischen {Physik}},
     journal = {Mathematische Zeitschrift},
     pages = {8--10},
     publisher = {mathdoc},
     volume = {3},
     year = {1919},
     zbl = {47.0862.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1919__3_167498/}
}