1. Kalitkin, N.N. and Al’shina, E.A., Chislennye metody (Numerical Methods), vol. 1: Chislennyi analiz (Numerical Analysis), Moscow: Akademiya, 2013.
2. Kalitkin, N.N., Al’shin, A.B., Al’shina, E.A., and Rogov, B.V., Vychisleniya na kvaziravnomernykh setkakh (Computations with Quasi-Uniform Grids), Moscow: Fizmatlit, 2005.
3. Trefethen, L.N. and Weideman, J.A.C., SIAM Rev.
E, 2014, vol. 56, no. 3, p. 385.
4. Kalitkin, N.N. and Kolganov, S.A., Dokl. Math., 2017, vol. 95, no. 2, p. 157.
5. Kalitkin, N.N. and Kolganov, S.A., Math. Models Comput. Simul., 2018, vol. 10, no. 4, p. 472.