@article{10_4064_fm193_2_6,
     author = {Fred Galvin and Petr Simon},
     title = {A {\v{C}ech} function in {ZFC}},
     journal = {Fundamenta Mathematicae},
     pages = {181--188},
     publisher = {mathdoc},
     volume = {193},
     number = {2},
     year = {2007},
     doi = {10.4064/fm193-2-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm193-2-6/}
}