@article{SD_1955-1956__9__A2_0,
     author = {Gu\'erindon, J.},
     title = {Sur les unions sous-directes de structures},
     journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres},
     note = {talk:3},
     pages = {1--12},
     publisher = {Secr\'etariat math\'ematique},
     volume = {9},
     year = {1955-1956},
     language = {fr},
     url = {http://www.numdam.org/item/SD_1955-1956__9__A2_0/}
}