@article{TRSPY_1934_6_a3,
     author = {J. A. Lappo-Danilevskij (J. A. Lappo-Danilevsky)},
     title = {M\'emoires sur la th\'eorie des syst\'emes des \'equations diff\'erentielles lin\'eaires. {Vol.~I}},
     journal = {Informatics and Automation},
     pages = {1--256},
     publisher = {mathdoc},
     volume = {6},
     year = {1934},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1934_6_a3/}
}