@incollection{MSMF_1972__31-32__343_0, author = {Robertson, Wendy}, title = {Sur le th\'eor\`eme du graphe ferm\'e}, booktitle = {Colloque d'analyse fonctionnelle (Bordeaux, 1971)}, author = {Collectif}, series = {M\'emoires de la Soci\'et\'e Math\'ematique de France}, pages = {343--350}, publisher = {Soci\'et\'e math\'ematique de France}, number = {31-32}, year = {1972}, doi = {10.24033/msmf.99}, zbl = {0251.46013}, mrnumber = {52 #6369}, url = {http://archive.numdam.org/articles/10.24033/msmf.99/} }