Classification of signals by using normal orthogonal transformation. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, [S. l.], n. 47, p. 58–70, 2011. DOI: 10.20535/RADAP.2011.47.58-70. Disponível em: https://radap.kpi.ua/radiotechnique/article/view/101. Acesso em: 3 apr. 2025.