Durna N. Partition of the spectra for the lower triangular double band matrix as generalized difference operator Δv over the sequence spaces c and lp (1 < p < ∞). Proyecciones (Antofagasta, On line) [Internet]. 2020Feb.4 [cited 2024Apr.20];39(1):51-7. Available from: https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/3975