@article{10_4153_CJM_1993_029_3,
     author = {H\'ebert, Michel},
     title = {Sur les {Op\'erations} {Partielles} {Implicites} et {Leur} {Relation} {Avec} la {Surjectivit\'e} {Des} {\'Epimorphismes}},
     journal = {Canadian journal of mathematics},
     pages = {554--575},
     year = {1993},
     volume = {45},
     number = {3},
     doi = {10.4153/CJM-1993-029-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-029-3/}
}