%0 Journal Article %A Stephenson, R. M. %T Symmetrizable, -, and Weakly First Countable Spaces %J Canadian journal of mathematics %D 1977 %P 480-488 %V 29 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-052-4/ %R 10.4153/CJM-1977-052-4 %F 10_4153_CJM_1977_052_4