@article{JRAM_1842__24_183229,
     author = {J. Zech},
     title = {Ueber das {Princip} der kleinsten {Wirkung.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {177--188},
     publisher = {mathdoc},
     volume = {24},
     year = {1842},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1842__24_183229/}
}