@article{paperid:1008179,
author = {Mirzavaziri, Madjid},
title = {σ-Normality of Topological Spaces},
journal = {Bulletin of the Iranian Mathematical Society},
year = {2008},
volume = {34},
number = {1},
month = {January},
issn = {1735-8515},
pages = {15--22},
			numpages = {7},
keywords = {Normal; (1; 2)-normal; -obtaiable; Couple topological space; -normal; Semicontinuous;
-continuous; -Urysohn’s lemma},
}