@article{1256069293, author = {Lange, Ridgley and Wang, Shengwang}, title = {New criteria for a decomposable operator}, journal = {Illinois J. Math.}, volume = {31}, number = {2}, year = {1987}, pages = { 438-445}, language = {en}, url = {http://dml.mathdoc.fr/item/1256069293} }
Lange, Ridgley; Wang, Shengwang. New criteria for a decomposable operator. Illinois J. Math., Tome 31 (1987) no. 2, pp. 438-445. http://gdmltest.u-ga.fr/item/1256069293/