%0 Journal Article %A Aleksander Maliszewski %T On the insertion of Darboux functions %J Fundamenta Mathematicae %D 1998 %P 197-209 %V 156 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-156-3-197-209/ %R 10.4064/fm-156-3-197-209 %G en %F 10_4064_fm_156_3_197_209