@incollection{XUPS_1995____r5_0, author = {Berline, Nicole and Sabbah, Claude}, title = {Aspects g\'eom\'etriques et combinatoires de la convexit\'e. {Pr\'eface} des \'editeurs}, booktitle = {Aspects g\'eom\'etriques et combinatoires de la convexit\'e}, series = {Journ\'ees math\'ematiques X-UPS}, pages = {v--vi}, publisher = {Les \'Editions de l{\textquoteright}\'Ecole polytechnique}, year = {1995}, doi = {10.5802/xups.1995-00}, language = {fr}, url = {http://www.numdam.org/articles/10.5802/xups.1995-00/} }