@article{CMUC_1993_34_3_a22,
     author = {Zelina, Miron},
     title = {Selfduality of the system of convex subsets of a partially ordered set},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {593--595},
     year = {1993},
     volume = {34},
     number = {3},
     mrnumber = {1243092},
     zbl = {0784.06002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1993_34_3_a22/}
}