Goronkov, Konstantin A., and Sergey V. Usatikov. “About the Features of the Wavelet Spectrum As a Flat Image Feature Space for Statistical Pattern Recognition Methods”. Ecological Bulletin of Research Centers of the Black Sea Economic Cooperation, no. 1 (March 29, 2013): 24–31. Accessed December 5, 2025. https://vestnik.kubsu.ru/article/view/466.