SAMOILENKO, A. M. Order and canonical product of the Weierstrass $R$-integral. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 4, p. 564–570, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1457. Acesso em: 7 apr. 2025.