Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MAT_1971_15_5_a8, author = {P. R. Halmos}, title = {Algebraic and quasialgebraic operators}, journal = {Matematika}, pages = {74--83}, publisher = {mathdoc}, volume = {15}, number = {5}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1971_15_5_a8/} }
P. R. Halmos. Algebraic and quasialgebraic operators. Matematika, Tome 15 (1971) no. 5, pp. 74-83. http://geodesic.mathdoc.fr/item/MAT_1971_15_5_a8/