Горб, Н.С., and Е.В. Гусева. “Application of Eigenfunction Expansion Method to the Microwave Tomography”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 59 (December 25, 2014): 121-129. Accessed May 7, 2024. https://radap.kpi.ua/radiotechnique/article/view/938.