@article{RCM_1980__14_181697,
     author = {Xavier Caicedo},
     title = {Conjuntos {Secuencialmente} {Cerrados.}},
     journal = {Revista colombiana de matematicas},
     pages = {111--130},
     publisher = {mathdoc},
     volume = {14},
     year = {1980},
     url = {http://geodesic.mathdoc.fr/item/RCM_1980__14_181697/}
}