Ivanov, S.A., A.N. Bogolyubov, and B.V. Sestroretskii. 2008. “Method of Impedance Analog of Electromagnetic Space for Solving Initial Boundary Value Problems of Electrodynamics”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie) 9 (17):274-304. https://en.num-meth.ru/index.php/journal/article/view/318.