Kharyuk, P.V., and Оseledets I.V. 2014. “WTT Decomposition for the Compression of array’s Families and Its Application to Image Processing”. Numerical Methods and Programming (Vychislitel’nye Metody I Programmirovanie) 15 (40):229-38. https://en.num-meth.ru/index.php/journal/article/view/764.