@article{10_21136_MB_1996_126109,
     author = {Haviar, Alfonz and Klenov\v{c}an, Pavel},
     title = {A metric on a system of ordered sets},
     journal = {Mathematica Bohemica},
     pages = {123--131},
     publisher = {mathdoc},
     volume = {121},
     number = {2},
     year = {1996},
     doi = {10.21136/MB.1996.126109},
     mrnumber = {1400604},
     zbl = {0863.06004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1996.126109/}
}