@article{10902/8033, year = {2014}, url = {http://hdl.handle.net/10902/8033}, abstract = {ABSTRACT:We prove some results giving positive answers to the perturbation classes problem for semi-Fredholm operators acting on Banach lattices satisfying certain conditions, and we show that these results can be applied to some Lorentz and Orlicz function spaces.}, publisher = {Academic Press Inc.}, publisher = {Journal of Mathematical Analysis and Applications 420 (1), pp. 792-800}, title = {Perturbation classes of semi-Fredholm operators in Banach lattices}, author = {González Ortiz, Manuel and Pello, Javier M. and Salas-Brown, Margot}, }