@article{1256054219, author = {Zalcman, Lawrence}, title = {A note on invariant subspaces}, journal = {Illinois J. Math.}, volume = {12}, number = {4}, year = {1968}, pages = { 303-306}, language = {en}, url = {http://dml.mathdoc.fr/item/1256054219} }
Zalcman, Lawrence. A note on invariant subspaces. Illinois J. Math., Tome 12 (1968) no. 4, pp. 303-306. http://gdmltest.u-ga.fr/item/1256054219/