Войтко, В. В., and А. І. Ільницький. “Mathematical Model of Instantaneous Frequency Measuring Process of Radioemission Phasemeasuring Sources by Interference Type Devices”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 70 (September 30, 2017): 17-22. Accessed April 26, 2024. https://radap.kpi.ua/radiotechnique/article/view/1428.