@article{10_4064_cm_57_2_363, author = { }, title = {Probl\`emes}, journal = {Colloquium Mathematicum}, pages = {363--363}, publisher = {mathdoc}, volume = {57}, number = {2}, year = {1989}, doi = {10.4064/cm-57-2-363}, language = {fr}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-57-2-363/} }