Milov, A.N. “Optimized Algorithms of Haar’s Discrete Transforms for the Russian «ELCORE» DSpdf and Their Applications in Image Processing”. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie) 8, no. 13 (April 5, 2007): 34–39. Accessed April 20, 2024. https://en.num-meth.ru/index.php/journal/article/view/283.