If X is a quasitopological space -Spanier space in this paper-, a topological space q X can be associated to X. A subset F of X is called closed if it is closed in q X. Interesting properties of the closed subspaces of a quasitopological space are examined.
@article{urn:eudml:doc:39767,
title = {La notion de ferm\'e dans un espace de Spanier.},
journal = {Revista Matem\'atica Hispanoamericana},
volume = {39},
year = {1979},
pages = {173-183},
zbl = {0467.54002},
language = {fr},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:39767}
}
Martínez Calvo, Cristina. La notion de fermé dans un espace de Spanier.. Revista Matemática Hispanoamericana, Tome 39 (1979) pp. 173-183. http://gdmltest.u-ga.fr/item/urn:eudml:doc:39767/