@article{JRAM_1834__12_146899,
     author = {Karl Schellbach},
     title = {\"Uber die {Zeichen} der {Mathematik.} {(Schlu{\ss}).}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {148--166},
     year = {1834},
     volume = {12},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1834__12_146899/}
}