El amrani, Abdelkhalek, Aziz Blali, and Mohamed Amine Taybi. 2022. “Spectral Analysis for Finite Rank Perturbation of Diagonal Operator in Non-Archimedean Banach Space of Countable Type”. Proyecciones (Antofagasta, On Line) 41 (5):1063-74. https://doi.org/10.22199/issn.0717-6279-4984.