Якорнов, Е., М. Коломицев, Г. Авдеенко, and О. Лавриненко. “Theoretical Analysis of Possibility of Electromagnetic Wave Phase Front Curvature Physical Phenomenon Application in Stationary Microwave Radio Systems”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 48, Feb. 2012, pp. 97-106, doi:10.20535/RADAP.2012.48.97-106.