@article{CMUC_2012__53_2_a8,
     author = {Lipparini, Paolo},
     title = {A very general covering property},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {281--306},
     publisher = {mathdoc},
     volume = {53},
     number = {2},
     year = {2012},
     mrnumber = {3017260},
     zbl = {1265.54104},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2012__53_2_a8/}
}