The mathematical model of the multilayer circular waveguides / A. A. Zhukov, V. A. Meshcherykov, G. A. Redkin [et.al.] // 2001 Microwave electronics: measurements, identification, application : conference proceedings, MEMIA'2001, September 18-20, 2001, Novosibirsk, Russia. NJ : IEEE, 2001. P. 103-106. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000619249