PAVLOVSKY, Vladislav A.; VASILIEV, Igor L. On properties of h-differentiable functions. Journal of the Belarusian State University. Mathematics and Informatics, [S. l.], n. 2, p. 29–37, 2021. DOI: 10.33581/2520-6508-2021-2-29-37. Disponível em: https://journals.bsu.by/index.php/mathematics/article/view/3828. Acesso em: 19 jul. 2026.