Кудінов, Є. “Application of the Method of Geometrical Optics to Determine the Effect of Frequency Dispersion on the Propagation of Magnetostatic Waves in the Delay Line”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 47, Oct. 2012, pp. 13-18, doi:10.20535/RADAP.2011.47.13-18.