@article{AULFM_1995_07_a10,
     author = {Balcerzak, Marek},
     title = {Functions with fibres large on each nonvoid open set},
     journal = {Acta Universitatis Lodziensis. Folia Mathematica},
     year = {1995},
     volume = {07},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AULFM_1995_07_a10/}
}