%0 Journal Article %A Natkaniec, Tomasz %T On the maximum and the minimum of quasi-continuous functions %J Mathematica slovaca %D 1992 %P 103-110 %V 42 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1992__42_1_a8/ %G en %F MASLO_1992__42_1_a8