1. E. N. Egorov, Yu. A. Kalinin, Yu. I. Levin, et al., Izv. Ross. Akad. Nauk, Ser. Fiz. 69, 1724 (2005).
2. R. A. Filatov, A. E. Khramov, and D. I. Trubetskov, Elektron. Volny & Elektromagn. Sist. 10 (12), 20 (2007).
3. Yu. A. Kalinin and A. V. Starodubov, Tech. Phys. 80, 1788 (2010).
4. G. M. Gershtein, Modeling of Fields by Method of Electrostatic Induction (Nauka, Moscow, 1970) [in Russian].