@article{JRAM_1934__171_149887,
     author = {Friedrich Dingeldey},
     title = {Zu einem {Satze} von {Hazzidakis} \"uber gewisse {Systeme} linearer {Differentialgleichungen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {128--130},
     publisher = {mathdoc},
     volume = {171},
     year = {1934},
     zbl = {0009.06601},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1934__171_149887/}
}