@article{CMUC_2007__48_1_a12,
     author = {Protasov, I. V.},
     title = {Extraresolvability of balleans},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {167--175},
     publisher = {mathdoc},
     volume = {48},
     number = {1},
     year = {2007},
     mrnumber = {2338837},
     zbl = {1199.54033},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2007__48_1_a12/}
}