@article{JRAM_1893__111_148878,
     author = {M. Hamburger},
     title = {Ueber die {Reductibilit\"at} linearer homogener {Differentialgleichungen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {121--138},
     publisher = {mathdoc},
     volume = {111},
     year = {1893},
     zbl = {25.0516.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1893__111_148878/}
}