@article{RCM_1999_33_1_a0,
     author = {HERNANDO GAIT\'AN},
     title = {Cuasivariedades de ret{\'\i}culos distributivos sim\'etricos},
     journal = {Revista colombiana de matematicas},
     pages = {15--25},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1999},
     url = {http://geodesic.mathdoc.fr/item/RCM_1999_33_1_a0/}
}