Шарпан, О. “Singularities of Amplitude and Phase Measuring in Problems of a Spatially Distributed Object Diagnostics”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 43, Dec. 2010, pp. 98-119, doi:10.20535/RADAP.2010.43.98-119.