%0 Journal Article %A Machala, František %A Slezák, Vladimír %T Join-closed and meet-closed subsets in complete lattices %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 2004 %P 113-117 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_2004__43_1_a10/ %G en %F AUPO_2004__43_1_a10