%0 Journal Article %A R. J. Pawlak %T On local characterization of Darboux functions %J Commentationes Mathematicae %D 1988 %P 283-299 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v27i2.6209/ %R 10.14708/cm.v27i2.6209 %G pl %F 10_14708_cm_v27i2_6209