@article{JRAM_1858__55_147735,
     author = {E.B. Christoffel},
     title = {Ueber die lineare {Abh\"angigkeit} von {Functionen} einer einzigen {Ver\"anderlichen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {281--299},
     publisher = {mathdoc},
     volume = {55},
     year = {1858},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1858__55_147735/}
}