Литвинцев, С.Н. and Захаров, А.В. 2019. Expansion method of bandstop for compline bandpass filters. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia. 79 (Dec. 2019), 16-23. DOI:https://doi.org/10.20535/RADAP.2019.79.16-23.