@incollection{MSMF_1974__37__115_0, author = {Kaplan, Pierre}, title = {Sur le 2-groupe des classes des corps quadratiques}, booktitle = {Journ\'ees arithm\'etiques (Grenoble, 1973)}, author = {Collectif}, series = {M\'emoires de la Soci\'et\'e Math\'ematique de France}, pages = {115--116}, publisher = {Soci\'et\'e math\'ematique de France}, number = {37}, year = {1974}, doi = {10.24033/msmf.137}, zbl = {0307.12003}, mrnumber = {53 #2896}, url = {http://archive.numdam.org/articles/10.24033/msmf.137/} }