@article{CLTM_1977_1977_1_a11,
     author = {Plans, Antonio},
     title = {Imagen de un sistema ortogonal completo de rayos por un operador lineal acotado.},
     journal = {Collectanea mathematica},
     pages = {177-183},
     publisher = {mathdoc},
     volume = {28},
     number = {3},
     year = {1977},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1977_1977_1_a11/}
}