@incollection{AST_1984__113-114__248_0,
     author = {L\"ofwall, Clas},
     title = {A change of rings theorem for local rings},
     booktitle = {Homotopie alg\'ebrique et alg\`ebre locale},
     series = {Ast\'erisque},
     pages = {248--262},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {113-114},
     year = {1984},
     mrnumber = {749064},
     zbl = {0572.13003},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1984__113-114__248_0/}
}