@article{10_4064_cm_7_2_269_273,
     author = {Z. Opial},
     title = {Sur un probl\`eme de {T.} {Wa\.zewski}},
     journal = {Colloquium Mathematicum},
     pages = {269--273},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {1959},
     doi = {10.4064/cm-7-2-269-273},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-7-2-269-273/}
}