@article{JRAM_1890__106_148784,
     author = {Paul Schafheitlin},
     title = {Zur {Theorie} der linearen {Differentialgleichungen} mit rationalen {Coefficienten.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {285--314},
     publisher = {mathdoc},
     volume = {106},
     year = {1890},
     zbl = {22.0307.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1890__106_148784/}
}