@article{SD_1970-1971__24_1_A9_0, author = {Petrich, Mario}, title = {L'enveloppe de translations d'un demi-treillis de groupes}, journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres}, note = {talk:11}, pages = {1--16}, publisher = {Secr\'etariat math\'ematique}, volume = {24}, number = {1}, year = {1970-1971}, zbl = {0256.20077}, language = {fr}, url = {http://archive.numdam.org/item/SD_1970-1971__24_1_A9_0/} }