The concert filtration on the base of the normalizate orthogonal transformations. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, [S. l.], n. 35, p. 15–20, 2007. DOI: 10.20535/RADAP.2007.35.15-20. Disponível em: https://radap.kpi.ua/radiotechnique/article/view/292. Acesso em: 3 apr. 2025.