%0 Journal Article %A Rooij, A. C. M. Van %T The Lattice of all Topologies is Complemented %J Canadian journal of mathematics %D 1968 %P 805-807 %V 20 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-079-9/ %R 10.4153/CJM-1968-079-9 %F 10_4153_CJM_1968_079_9