@article{10_4064_cm_22_1_157_159,
     author = { },
     title = {Probl\`emes (vol. {XXII,} fasc. 1)},
     journal = {Colloquium Mathematicum},
     pages = {157--159},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {1970},
     doi = {10.4064/cm-22-1-157-159},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-22-1-157-159/}
}