@article{CLTM_1980_1980_1_a8,
     author = {Valdivia, Manuel},
     title = {Sobre ciertas clases de conjuntos en espacios localmente convexos.},
     journal = {Collectanea mathematica},
     pages = {217-228},
     year = {1980},
     volume = {31},
     number = {3},
     zbl = {0469.46006},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1980_1980_1_a8/}
}