@article{JMPA_1919_8_2__99_0,
     author = {Garnier, Ren\'e},
     title = {Sur les singularit\'es irr\'eguli\`eres des \'equations diff\'erentielles lin\'eaires},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {99--200},
     publisher = {Gauthier-Villars},
     volume = {8e s{\'e}rie, 2},
     year = {1919},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1919_8_2__99_0/}
}