@incollection{AST_1982__94__17_0,
     author = {Cougnard, Jean},
     title = {R\'esultats et probl\`emes sur la structure galoisienne des anneaux d'entiers},
     booktitle = {Journ\'ees arithm\'etiques - Metz, 1981},
     series = {Ast\'erisque},
     pages = {17--30},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {94},
     year = {1982},
     zbl = {0501.12013},
     language = {fr},
     url = {http://www.numdam.org/item/AST_1982__94__17_0/}
}