Kovalchuk, Kateryna P., and Oleksandr V. Mazurenko. “MULTICHANNEL M-ARY BI-ORTHOGONAL KEYING”. Information and Telecommunication Sciences, no. 1 (July 17, 2015): 3–7. Accessed August 16, 2025. https://infotelesc.kpi.ua/article/view/47126.