Prasad, T., and M. H. M. Rashid. “Stability of Versions of the Weyl-Type Theorems under Tensor Product”. Ukrains’kyi Matematychnyi Zhurnal 68, no. 4 (April 25, 2016): 542-550. Accessed March 29, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/1859.