KASHKYNBAYEV, A. . Advances in Functional Differential Equations. Journal of Advances in Applied & Computational Mathematics, [S. l.], v. 8, p. 33, 2022. Disponível em: https://www.avantipublishers.com/index.php/jaacm/article/view/1221. Acesso em: 29 mar. 2024.