@article{10_21136_CMJ_1989_102283,
     author = {Niederle, Josef},
     title = {A characterization of finite posets of the width at most three with the fixed point property},
     journal = {Czechoslovak Mathematical Journal},
     pages = {120--126},
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {1989},
     doi = {10.21136/CMJ.1989.102283},
     mrnumber = {983488},
     zbl = {0674.06002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102283/}
}