%0 Journal Article %A Jr, Japheth Hall %T A Condition for Equality of Cardinals of Minimal Generators Under Closure Operators %J Canadian mathematical bulletin %D 1971 %P 569-570 %V 14 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1971-102-x/ %R 10.4153/CMB-1971-102-x %F 10_4153_CMB_1971_102_x