%0 Journal Article %A Harvey Rosen %T Connectivity points and Darboux points of real functions %J Fundamenta Mathematicae %D 1975 %P 265-269 %V 89 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-89-3-265-269/ %R 10.4064/fm-89-3-265-269 %G en %F 10_4064_fm_89_3_265_269