@article{10_4064_cm_8_2_243_250,
     author = {R. Engelking},
     title = {Sur un probl\`eme de {K.} {Urbanik} concernant les ensembles lin\'eaires},
     journal = {Colloquium Mathematicum},
     pages = {243--250},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {1961},
     doi = {10.4064/cm-8-2-243-250},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-8-2-243-250/}
}