@article{JRAM_1960__205_150460,
     author = {Michael Golomb},
     title = {On the {Reducibility} of {Certain} {Linear} {Differential} {Systems.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {171--185},
     publisher = {mathdoc},
     volume = {205},
     year = {1960},
     zbl = {0097.28902},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1960__205_150460/}
}