@article{JRAM_1889__105_148758,
     author = {Leo K\"onigsberger},
     title = {Ueber eine {Determinantenbeziehung} in der {Theorie} der {Differentialgleichungen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {170--179},
     publisher = {mathdoc},
     volume = {105},
     year = {1889},
     zbl = {21.0307.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1889__105_148758/}
}