@article{MZ_1939__45_168859,
     author = {F., R\'adl},
     title = {\"Uber die {Teilbarkeitsbedingungen} bei den gew\"ohnlichen {Differentialpolynomen}},
     journal = {Mathematische Zeitschrift},
     pages = {429--446},
     publisher = {mathdoc},
     volume = {45},
     year = {1939},
     zbl = {0021.40302},
     url = {http://geodesic.mathdoc.fr/item/MZ_1939__45_168859/}
}