@article{CLTM_1975_1975_1_a18,
     author = {Cooper, J. B.},
     title = {Normal operators spaces of distributions.},
     journal = {Collectanea mathematica},
     pages = {267-284},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1975},
     zbl = {0334.46040},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1975_1975_1_a18/}
}