@article{CMUC_1988__29_4_a1,
     author = {Balcar, Bohuslav and Simon, Petr},
     title = {On collections of almost disjoint families},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {631--646},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {1988},
     mrnumber = {982781},
     zbl = {0675.03029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1988__29_4_a1/}
}