DMYTRYSHYN, R. I. Associated Branched Continued Fractions with Two Independent Variables. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 9, p. 1175–1184, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2208. Acesso em: 14 apr. 2025.