%0 Journal Article %A Xiu-Yun Wu %A Qi Liu %A Chun-Yan Liao %A Yan-Hui Zhao %T L-topological derived internal (resp. enclosed) relation spaces %J Filomat %D 2021 %P 2497 %V 35 %N 8 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2108497W/ %R 10.2298/FIL2108497W %G en %F 10_2298_FIL2108497W