@article{SDPP_1965-1966__7_1_A2_0,
     author = {Dress, Fran\c{c}ois},
     title = {Familles ferm\'ees de s\'eries formelles},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:3},
     pages = {1--11},
     publisher = {Secr\'etariat math\'ematique},
     volume = {7},
     number = {1},
     year = {1965-1966},
     zbl = {0199.08204},
     language = {fr},
     url = {http://www.numdam.org/item/SDPP_1965-1966__7_1_A2_0/}
}