1. S. D. Algazin, Numerical Algorithms in Classical Mathematical Physics (Dialog-MIFI, Moscow, 2010) [in Russian].
2. K. I. Babenko, Fundamentals of Numerical Analysis (Nauka, Moscow, 1986); 2nd ed. (RKhD, Moscow, 2002) [in Russian].
3. S. D. Algazin, K. I. Babenko, and A. L. Kosorukov, Preprint No. 108, IPM RAN (Keldysh Inst. of Applied Mathematics, USSR Academy of Sciences, Moscow, 1975).
4. S. D. Algazin, “Software program: Computation of eigenvalues and eigenfunctions of the Laplacian (Lap123),” (RU) state registration No. 2012617739 (August 27, 2012).
5. S. D. Algazin, J. Appl. Mech. Tech. Phys. 52 (4), 615–623 (2011).