PETROSYAN, A. .; SARUKHANYAN, H. . Fast DCT -2 Transform via Hadamard Transform. Mathematical Problems of Computer Science, [S. l.], v. 28, p. 7–17, 2021. Disponível em: http://www.mpcs.sci.am/index.php/mpcs/article/view/492. Acesso em: 31 may. 2025.