@article{10_4064_cm_8_1_35_37,
     author = {W. Nitka},
     title = {Une g\'en\'eralisation du th\'eor\`eme de {Kuratowski} sur caract\'erisation m\'etrique de la r\'etraction},
     journal = {Colloquium Mathematicum},
     pages = {35--37},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {1961},
     doi = {10.4064/cm-8-1-35-37},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-8-1-35-37/}
}