@article{1256047711, author = {Nagy, B.}, title = {A strong spectral residuum for every closed operator}, journal = {Illinois J. Math.}, volume = {24}, number = {4}, year = {1980}, pages = { 173-179}, language = {en}, url = {http://dml.mathdoc.fr/item/1256047711} }
Nagy, B. A strong spectral residuum for every closed operator. Illinois J. Math., Tome 24 (1980) no. 4, pp. 173-179. http://gdmltest.u-ga.fr/item/1256047711/