Рибін, О. and Ніжебецька, Ю. 2008. Algorithm of forming matrix operator of discrete normal transformation. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia. 37 (Nov. 2008), 19-28. DOI:https://doi.org/10.20535/RADAP.2008.37.19-28.