@article{10_4064_cm_27_2_331_333, author = { }, title = {Probl\`emes}, journal = {Colloquium Mathematicum}, pages = {331--333}, publisher = {mathdoc}, volume = {27}, number = {2}, year = {1973}, doi = {10.4064/cm-27-2-331-333}, language = {fr}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-27-2-331-333/} }