@article{ASENS_1883_2_12__301_0, author = {Guichard, C.}, title = {Th\'eorie des points singuliers essentiels}, journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure}, volume = {12}, year = {1883}, pages = {301-394}, doi = {10.24033/asens.227}, language = {fr}, url = {http://dml.mathdoc.fr/item/ASENS_1883_2_12__301_0} }
Guichard, C. Théorie des points singuliers essentiels. Annales scientifiques de l'École Normale Supérieure, Tome 12 (1883) pp. 301-394. doi : 10.24033/asens.227. http://gdmltest.u-ga.fr/item/ASENS_1883_2_12__301_0/