Ammar, A. and Veeramani, S. 2024. A note on the mapping theorem of essential pseudospectra on a Banach space. Ukrains’kyi Matematychnyi Zhurnal. 76, 3 (Mar. 2024), 341 - 352. DOI:https://doi.org/10.3842/umzh.v76i3.7325.