@article{1077468342, author = {Scroggs, James E.}, title = {Invariant subspaces of a normal operator}, journal = {Duke Math. J.}, volume = {26}, number = {1}, year = {1959}, pages = { 95-111}, language = {en}, url = {http://dml.mathdoc.fr/item/1077468342} }
Scroggs, James E. Invariant subspaces of a normal operator. Duke Math. J., Tome 26 (1959) no. 1, pp. 95-111. http://gdmltest.u-ga.fr/item/1077468342/