%0 Journal Article %A Krzysztof Ciesielski %A Lee Larson %T Category theorems concerning $\mathcal I$-density continuous functions %J Fundamenta Mathematicae %D 1991 %P 79-85 %V 140 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm_1991_140_1_1_79_85/ %R 10.4064/fm_1991_140_1_1_79_85 %G en %F 10_4064_fm_1991_140_1_1_79_85