@article{JRAM_1877__82_148316,
     author = {R. Lipschitz},
     title = {Bemerkungen zu dem {Princip} des kleinsten {Zwanges.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {316--342},
     year = {1877},
     volume = {82},
     zbl = {09.0629.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1877__82_148316/}
}