Ramos-Fernández, J.C. and Salas-Brown, M. 2020. The essential norm of multiplication operators acting on Orlicz sequence spaces. Proyecciones (Antofagasta, On line). 39, 6 (Nov. 2020), 1407-1414. DOI:https://doi.org/10.22199/issn.0717-6279-2020-06-0086.