Britaňák, V. “A Unified Approach to FAST Computation of Discrete Sinusoidal Transforms I: DCT and DST Transforms”. Computing and Informatics 17, no. 6 (January 26, 2012): 583–607. Accessed August 4, 2025. https://www.cai.sk/ojs/index.php/cai/article/view/616.