@article{JRAM_1863__62_147883,
     author = {J. Weingarten},
     title = {Ueber die {Fl\"achen} deren {Normalen} eine gegebene {Fl\"ache} ber\"uhren.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {61--63},
     publisher = {mathdoc},
     volume = {62},
     year = {1863},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1863__62_147883/}
}