@article{CMUC_1994_35_2_a20,
     author = {Gryzlov, A.},
     title = {Cardinal invariants and compactifications},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {403--408},
     year = {1994},
     volume = {35},
     number = {2},
     mrnumber = {1286587},
     zbl = {0807.54005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1994_35_2_a20/}
}