@article{BSMF_1953__81__9_0,
     author = {Dixmier, Jacques},
     title = {Formes lin\'eaires sur un anneau d'op\'erateurs},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {9--39},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {81},
     year = {1953},
     doi = {10.24033/bsmf.1436},
     mrnumber = {15,539a},
     zbl = {0050.11501},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1436/}
}