@article{CMUC_1967_8_3_a1,
     author = {H\'ajek, Otomar and Kart\'ak, Karel},
     title = {Linear differential equations with {Newton-integrable} coefficients},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {377--386},
     year = {1967},
     volume = {8},
     number = {3},
     mrnumber = {0222368},
     zbl = {0189.36904},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1967_8_3_a1/}
}