@incollection{SB_2004-2005__47__113_0, author = {Kahn, Bruno}, title = {Formes quadratiques et cycles alg\'ebriques}, booktitle = {S\'eminaire Bourbaki : volume 2004/2005, expos\'es 938-951}, series = {Ast\'erisque}, note = {talk:941}, pages = {113--163}, publisher = {Soci\'et\'e math\'ematique de France}, number = {307}, year = {2006}, mrnumber = {2296417}, zbl = {1120.11018}, language = {fr}, url = {http://www.numdam.org/item/SB_2004-2005__47__113_0/} }