Team S. Notes on the Spectrum of Lower Triangular Double-Band Matrices: Ali M. Akhmedov, Saad R. El-Shabrawy. Thai J Math [Internet]. 2012 Aug. 1 [cited 2024 May 4];10(2):415-21. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/328