[1]
G. M. Masmaliev and A. K. Khanmamedov, “On conditions for the discreteness of the spectrum of a semiinfinite Jacobi matrix with zero diagonal”, Ukr. Mat. Zhurn., vol. 62, no. 2, pp. 285–288, Feb. 2010, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2866