@article{MASLO_1995_45_1_a1,
     author = {Hala\v{s}, Radom{\'\i}r},
     title = {Decompositions of directed sets with zero},
     journal = {Mathematica slovaca},
     pages = {9--17},
     year = {1995},
     volume = {45},
     number = {1},
     mrnumber = {1335835},
     zbl = {0833.06001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1995_45_1_a1/}
}