2021. Research of Dispersion Characteristics of a Rectangular Waveguide with a Corrugated Bottom Wall by the Coupled Wave Method. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia. 86 (Sep. 2021), 29–38. DOI:https://doi.org/10.20535/RADAP.2021.86.29-38.