@incollection{AST_1984__113-114__227_0, author = {Jacobsson, Calle}, title = {On local flat homomorphisms and the {Yoneda} ext-algebra of the fibre}, booktitle = {Homotopie alg\'ebrique et alg\`ebre locale}, author = {Collectif}, series = {Ast\'erisque}, publisher = {Soci\'et\'e math\'ematique de France}, number = {113-114}, year = {1984}, zbl = {0572.13002}, mrnumber = {749061}, language = {en}, url = {http://www.numdam.org/item/AST_1984__113-114__227_0/} }