@article{10_4064_cm_52_1_53_65,
     author = {Jacek Nikiel},
     title = {Some cover properties of nonseparable metric spaces},
     journal = {Colloquium Mathematicum},
     pages = {53--65},
     publisher = {mathdoc},
     volume = {52},
     number = {1},
     year = {1987},
     doi = {10.4064/cm-52-1-53-65},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-52-1-53-65/}
}