@article{10_4064_fm_55_3_199_214,
     author = {A. Lelek},
     title = {Disjoint mappings and the span of spaces},
     journal = {Fundamenta Mathematicae},
     pages = {199--214},
     publisher = {mathdoc},
     volume = {55},
     number = {3},
     year = {1964},
     doi = {10.4064/fm-55-3-199-214},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-55-3-199-214/}
}