@book{CIF_1972__7_, author = {Payan, Jean-Jacques}, title = {Classes d'id\'eaux}, series = {Cours de l'institut Fourier}, publisher = {Institut des Math\'ematiques Pures - Universit\'e Scientifique et M\'edicale de Grenoble}, number = {7}, year = {1972}, language = {fr}, url = {http://archive.numdam.org/item/CIF_1972__7_/} }