@article{SD_1956-1957__10__A1_0,
     author = {Lazard, M.},
     title = {Demi-groupes nilpotents},
     journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres},
     note = {talk:1},
     pages = {1--5},
     publisher = {Secr\'etariat math\'ematique},
     volume = {10},
     year = {1956-1957},
     zbl = {0114.25206},
     language = {fr},
     url = {http://www.numdam.org/item/SD_1956-1957__10__A1_0/}
}