@incollection{MSMF_1972__31-32__117_0, author = {Dacunha-Castelle, Didier}, title = {Applications des ultraproduits \`a la th\'eorie des plongements des espaces de {Banach}}, booktitle = {Colloque d'analyse fonctionnelle (Bordeaux, 1971)}, series = {M\'emoires de la Soci\'et\'e Math\'ematique de France}, pages = {117--125}, publisher = {Soci\'et\'e math\'ematique de France}, number = {31-32}, year = {1972}, doi = {10.24033/msmf.72}, mrnumber = {51 #13647}, zbl = {0254.46013}, url = {http://www.numdam.org/articles/10.24033/msmf.72/} }