%0 Journal Article %A Sanjay Kumar Mahto %A Arnab Patra %A P. D. Srivastava %T Spectra of the Lower Triangular Matrix $\mathbb B(r_1,\dots, r_l; s_1,\dots, s_l')$ over $c_0$ %J Kragujevac Journal of Mathematics %D 2022 %P 369 %V 46 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2022_46_3_a2/ %G en %F KJM_2022_46_3_a2