@article{MASLO_1994__44_2_a3,
     author = {Kolibiar, Milan},
     title = {Modular ordered sets},
     journal = {Mathematica slovaca},
     pages = {139--141},
     publisher = {mathdoc},
     volume = {44},
     number = {2},
     year = {1994},
     mrnumber = {1282530},
     zbl = {0807.06002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1994__44_2_a3/}
}