ДЕНИСЮК, В. П.; РИБАЧУК, Л. В. About fractional integro-differentiating the trigonometric functions. Problems of Informatization and Control, [S. l.], v. 2, n. 24, p. 46–50, 2008. DOI: 10.18372/2073-4751.2.6763. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/6763. Acesso em: 14 jun. 2026.