@article{10_4064_cm_21_2_339,
     author = { },
     title = {PROBL\`EMES (vol. {XXI,} fasc. 2)},
     journal = {Colloquium Mathematicum},
     pages = {339--339},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1970},
     doi = {10.4064/cm-21-2-339},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-21-2-339/}
}