@article{BSMF_1897__25__221_1,
     author = {Petrovitch, M.},
     title = {Sur l'\'equation diff\'erentielle lin\'eaire du second ordre},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {221--235},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {25},
     year = {1897},
     doi = {10.24033/bsmf.566},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.566/}
}