@article{SAC_1967-1968__2__A8_0, author = {Lazard, Daniel}, title = {Deux m\'echants \'epimorphismes}, journal = {S\'eminaire Samuel. Alg\`ebre commutative}, note = {talk:8}, publisher = {Secr\'etariat math\'ematique}, volume = {2}, year = {1967-1968}, zbl = {0189.03801}, language = {fr}, url = {http://archive.numdam.org/item/SAC_1967-1968__2__A8_0/} }