Різник, В. В. “Models of Optimum Multidimensional Signals on the Vector Combinatorial Configurations”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia0, no. 68 (March 30, 2017): 5-12. Accessed December 7, 2021. http://radap.kpi.ua/radiotechnique/article/view/1356.