%0 Journal Article %A Szász, G. %T On the De Morgan formulae and the antitony of complements in lattices %J Czechoslovak Mathematical Journal %D 1978 %P 400-406 %V 28 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1978.101545/ %R 10.21136/CMJ.1978.101545 %G en %F 10_21136_CMJ_1978_101545