1. M. M. Ivanishin, Radiotekh. Elektron. (Moscow) 34, 1587 (1989).
2. V. I. Ponomarenko and V. V. Popov, Prib. Tekh. Eksp., No. 1, 94 (2005).
3. V. I. Ponomarenko, V. V. Popov, and D. F. Vinogorodskii, Uch. Zap. Tavrich. Natsional. Univ. Im. V.I. Vernadskogo, Ser. Fizika 17–18 (56–57)(1), 56 (2005).
4. L. Lewin, Advanced Theory of Waveguides (Iliffe & Sons, London, 1951; Radio i Svyaz’, Moscow, 1981).
5. V. I. Ponomarenko and V. V. Popov, Izv. Vyssh. Uchebn. Zaved., Radioelektronika, No. 6, 70 (2006).