@article{JRAM_1882__92_148493,
     author = {L. K\"onigsberger},
     title = {Ueber die {Irreducibilit\"at} von {Differentialgleichungen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {291--300},
     publisher = {mathdoc},
     volume = {92},
     year = {1882},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1882__92_148493/}
}