@article{10_21136_CMJ_1978_101545,
     author = {Sz\'asz, G.},
     title = {On the {De} {Morgan} formulae and the antitony of complements in lattices},
     journal = {Czechoslovak Mathematical Journal},
     pages = {400--406},
     publisher = {mathdoc},
     volume = {28},
     number = {3},
     year = {1978},
     doi = {10.21136/CMJ.1978.101545},
     mrnumber = {0480235},
     zbl = {0404.06007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1978.101545/}
}