@article{JRAM_1869__71_148117,
     author = {R. Lipschitz},
     title = {Entwickelung einiger {Eigenschaften} der quadratischen {Formen} von n {Differentialen.} {(Zweite} {Mittheilung).}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {288--295},
     publisher = {mathdoc},
     volume = {71},
     year = {1869},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1869__71_148117/}
}