%0 Journal Article %A J. Hintikka %T A closure and complement result for nested topologies %J Fundamenta Mathematicae %D 1965 %P 97-106 %V 57 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-57-1-97-106/ %R 10.4064/fm-57-1-97-106 %G en %F 10_4064_fm_57_1_97_106