@article{10_4064_cm_37_1_175_177, author = { }, title = {Probl\`emes}, journal = {Colloquium Mathematicum}, pages = {175--177}, publisher = {mathdoc}, volume = {37}, number = {1}, year = {1971}, doi = {10.4064/cm-37-1-175-177}, language = {fr}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-37-1-175-177/} }