@article{10_4064_cm_74_2_299_320,
     author = {D. Arnold and M. Dugas},
     title = {Representation {Type} of {Posets} and {Finite} {Rank} {Butler} {Groups}},
     journal = {Colloquium Mathematicum},
     pages = {299--320},
     publisher = {mathdoc},
     volume = {74},
     number = {2},
     year = {1997},
     doi = {10.4064/cm-74-2-299-320},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-74-2-299-320/}
}