@article{DMGAA_2010_30_2_a4,
     author = {Chajda, Ivan},
     title = {Congruences on semilattices with section antitone involutions},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {207--215},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2010_30_2_a4/}
}