@article{ASENS_1897_3_14__133_0,
     author = {Bourlet, C.},
     title = {Sur les op\'erations en g\'en\'eral et les \'equations diff\'erentielles lin\'eaires d'ordre infini},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {133--190},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 14},
     year = {1897},
     doi = {10.24033/asens.443},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.443/}
}