@article{RMI_1987_1987_1_a7,
     author = {Johnson, Raymond L. and Neugebauer, Christoph J.},
     title = {Homeomorfismos que preservan {Ap.}},
     journal = {Revista matem\'atica iberoamericana},
     pages = {249-273},
     year = {1987},
     volume = {3},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMI_1987_1987_1_a7/}
}