Benharrat, M., Hocine, K.M. and Messirdi, B. 2019. Left and right generalized Drazin invertible operators and local spectral theory. Proyecciones (Antofagasta, On line). 38, 5 (Dec. 2019), 897-919. DOI:https://doi.org/10.22199/issn.0717-6279-2019-05-0058.