@article{CMUC_2000__41_1_a17,
     author = {Shishkov, Ivailo},
     title = {Hereditarily normal {Kat\v{e}tov} spaces and extending of usco mappings},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {183--196},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {2000},
     mrnumber = {1756939},
     zbl = {1037.54501},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2000__41_1_a17/}
}