@article{SD_1951-1953__5-6__A4_0,
     author = {Jaffard, Paul},
     title = {Structure des groupes pr\'eordonn\'es},
     journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres},
     note = {talk:4},
     pages = {1--17},
     publisher = {Secr\'etariat math\'ematique},
     volume = {5-6},
     year = {1951-1953},
     zbl = {0115.26102},
     language = {fr},
     url = {http://www.numdam.org/item/SD_1951-1953__5-6__A4_0/}
}