Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1976__39_166508, author = {Rudolf A. Hirschfeld}, title = {Operators with thin spectral sets.}, journal = {Mathematica Scandinavica}, pages = {367--370}, publisher = {mathdoc}, volume = {39}, year = {1976}, zbl = {0349.47020}, url = {http://geodesic.mathdoc.fr/item/MS2_1976__39_166508/} }
Rudolf A. Hirschfeld. Operators with thin spectral sets.. Mathematica Scandinavica, Tome 39 (1976), pp. 367-370. http://geodesic.mathdoc.fr/item/MS2_1976__39_166508/