@article{10_4064_cm_58_1_156,
     author = { },
     title = {Probl\`emes},
     journal = {Colloquium Mathematicum},
     pages = {156--156},
     publisher = {mathdoc},
     volume = {58},
     number = {1},
     year = {1989},
     doi = {10.4064/cm-58-1-156},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-58-1-156/}
}