On rational approximations of the resolvent function of a second-order difference operator
V. A. Kalyagin

This publication is cited in the following articles:

1. A. Osipov, “On Some Properties and Applications of Operator Continued $J$-Fractions”, Russ. J. Math. Phys., 31:4 (2024), 737  
2. L. B. Golinskii, I. E. Egorova, “Limit sets for the discrete spectrum of complex Jacobi matrices”, Sb. Math., 196:6 (2005), 817–844                
3. Bernhard Beckermann, “Complex Jacobi matrices”, Journal of Computational and Applied Mathematics, 127:1-2 (2001), 17