@article{SAC_1967-1968__2__A4_0, author = {Lazard, Daniel}, title = {\'Epimorphismes plats}, journal = {S\'eminaire Samuel. Alg\`ebre commutative}, note = {talk:4}, publisher = {Secr\'etariat math\'ematique}, volume = {2}, year = {1967-1968}, zbl = {0201.04601}, language = {fr}, url = {http://archive.numdam.org/item/SAC_1967-1968__2__A4_0/} }