Макаренко, А. С., and С. Н. Литвинцев. 2015. “Noise-Immunity Processing of Digital Multilevel Pulse-Amplitude Modulation Signals”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 63 (December):64-75. https://doi.org/10.20535/RADAP.2015.63.64-75.