“Optimum Algorithms of Division Two Mutually Unortogonal Signals”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 49 (February 27, 2012): 33–41. Accessed July 12, 2025. https://radap.kpi.ua/radiotechnique/article/view/14.