@article{AUCMP_2004__45_1_a3,
     author = {Beran, Ladislav},
     title = {On convex constructions in lattices},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {17--27},
     publisher = {mathdoc},
     volume = {45},
     number = {1},
     year = {2004},
     mrnumber = {2109690},
     zbl = {1083.06008},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_2004__45_1_a3/}
}