PAVLOVSKY, Vladislav A.; VASILIEV, Igor L. On local invertibility of functions of an h-complex variable. Journal of the Belarusian State University. Mathematics and Informatics, [S. l.], n. 1, p. 103–107, 2022. DOI: 10.33581/2520-6508-2022-1-103-107. Disponível em: https://journals.bsu.by/index.php/mathematics/article/view/3914. Acesso em: 8 oct. 2026.