1. K. N. Lipnikov, G. Manzini, and M. J. Shashkov, “Mimetic finite difference method,” J. Comput. Phys., 257, 1163–1227 (2014).
2. A. A. Samarskii, V. F. Tishkin, A. P. Favorskii, and M. Yu. Shashkov, “Operator difference schemes,” Diff. Uravn., No. 7, 1317–1327 (1981).
3. M. P. Galanin and Yu. P. Popov, Quasi-stationary Electromagnetic Fields in Nonhomogeneous Media. Mathematical Modeling [in Russian], Nauka-Fizmatlit, Moscow (1995).
4. A. A. Samarskii, A. V. Koldoba, Yu. A. Poveshchenko, V. F. Tishkin, and A. P. Favorskii, Difference Schemes on Irregular Grids [in Russian], ZAO Kriterii, Minsk (1996).
5. M. Y. Shashkov, Conservative Finite Difference Methods on General Grids, CRC Press, BocaRaton (1996).