@article{MAN_1908__65_158341,
     author = {A. Loewy},
     title = {Die {Rationalit\"atsgruppe} einer linearen homogenen {Differentialgleichung.}},
     journal = {Mathematische Annalen},
     pages = {129--159},
     publisher = {mathdoc},
     volume = {65},
     year = {1908},
     zbl = {38.0356.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1908__65_158341/}
}