Ільясова, Ю.Х., and О.Б. Шарпан. 2007. “The Analysis of Linear Systems in the Field of Transformations at the Minimal Different Equations”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 35 (February):23-29. https://doi.org/10.20535/RADAP.2007.35.23-29.