Polovynko, Ihor, and Lubomyr Kniazevich. “Improvement of Images by Using Graduate Transformations of Their Fourier Depictions”. Technology audit and production reserves 2, no. 2(58) (April 30, 2021): 16–19. Accessed May 17, 2024. https://journals.uran.ua/tarp/article/view/230079.