1. A. A. Samarskii, Theory of Difference Schemes [in Russian], Nauka, Moscow (1989).
2. A. N. Tikhonov and A. A. Samarskii, “On homogeneous difference schemes,” Dokl. Akad. Nauk SSSR, 122, No. 4, 562–565 (1958).
3. A. N. Tikhonov and A. A. Samarskii, “On homogeneous difference schemes,” Zh. Vychisl. Mat. Mat. Fiz., 1, No. 1, 5–63 (1961).
4. A. N. Tikhonov and A. A. Samarskii, “On homogeneous difference schemes,” Zh. Vychisl. Mat. Mat. Fiz., 3, No. 1, 425–430 (1961).
5. A. A. Samarskii, R. D. Lazarov, and V. L. Makarov, Difference Schemes for Differential Equations with Generalized Solutions [in Russian], Vysshaya Shkola, Moscow (1989).