%0 Journal Article %A Cramer, T. %T A Definition of Separation Axiom %J Canadian mathematical bulletin %D 1974 %P 485-491 %V 17 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-086-8/ %R 10.4153/CMB-1974-086-8 %F 10_4153_CMB_1974_086_8