@article{PORMA_2004__61_1_51178,
     author = {Monteiro, Luiz and Abad, Manuel and Zander, Marta},
     title = {Free -distributive lattice over an -element chain.},
     journal = {Portugaliae mathematica},
     pages = {115--122},
     publisher = {mathdoc},
     volume = {61},
     number = {1},
     year = {2004},
     zbl = {1058.06012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_2004__61_1_51178/}
}