@article{AUPO_1968_9_1_a1,
     author = {Karim, Rahmi Ibrahim Ibrahim Abdel},
     title = {Studium des {Resonanzfalles} bei gew\"ohnlichen linearen reduzierten {Differentialgleichungen} mit periodischen {Koeffizienten}},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {27--49},
     year = {1968},
     volume = {9},
     number = {1},
     mrnumber = {0313578},
     zbl = {0194.40401},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1968_9_1_a1/}
}