%0 Journal Article %A Er-Guang Yang %A Zheng Jiang %T Strongly semi-continuous functions and δ-stratifiable spaces %J Filomat %D 2022 %P 5315 %V 36 %N 15 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2215315Y/ %R 10.2298/FIL2215315Y %G en %F 10_2298_FIL2215315Y