INVESTIGATION OF THE APPROXIMATION OF CONTINUOUS PERIODIC FUNCTIONS ON THE TORUS. World Science, [S. l.], v. 1, n. 1(41), p. 4–10, 2019. DOI: 10.31435/rsglobal_ws/31012019/6291. Disponível em: https://rspublisher.org/index.php/ws/article/view/66. Acesso em: 17 mar. 2026.