@article{JRAM_1866__65_147956,
     author = {R. Lipschitz},
     title = {Beitr\"age zu {Theorie} der {Variation} der einfachen {Integrale.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {26--41},
     publisher = {mathdoc},
     volume = {65},
     year = {1866},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1866__65_147956/}
}