@article{SDPP_1976-1977__18_2_A9_0,
     author = {Lang, Serge},
     title = {Classes d'id\'eaux et classes de diviseurs},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:28},
     pages = {1--9},
     publisher = {Secr\'etariat math\'ematique},
     volume = {18},
     number = {2},
     year = {1976-1977},
     zbl = {0371.12022},
     language = {fr},
     url = {http://www.numdam.org/item/SDPP_1976-1977__18_2_A9_0/}
}