@article{106871, author = {Dagmar Medkov\'a}, title = {On the convergence of Neumann series for noncompact operators}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {031}, year = {1990}, pages = {403-403}, language = {en}, url = {http://dml.mathdoc.fr/item/106871} }
Medková, Dagmar. On the convergence of Neumann series for noncompact operators. Commentationes Mathematicae Universitatis Carolinae, Tome 031 (1990) p. 403. http://gdmltest.u-ga.fr/item/106871/
On the convergence of Neumann series in Banach space, Math. Ann. 220 (1976), 143-146. (1976) | MR 0412855 | Zbl 0304.47016