Лучанинов, А., М. Омаров, Д. Гавва, and Е. Крикун. “The Antennas Analysis With the Distributed Non-Linear Properties. Part 1. Usage of the Equivalence Principle”. Eastern-European Journal of Enterprise Technologies, vol. 2, no. 3(44), Apr. 2010, pp. 4-7, doi:10.15587/1729-4061.2010.2629.