@article{CLTM_1975_1975_1_a7,
     author = {Guia, Josep},
     title = {Espacios de derivados.},
     journal = {Collectanea mathematica},
     pages = {105-114},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1975},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1975_1975_1_a7/}
}