@article{CLTM_1985_1985_1_a6,
     author = {Scheerer, H.},
     title = {H-espacios sobre un espacio base.},
     journal = {Collectanea mathematica},
     pages = {219-228},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1985_1985_1_a6/}
}