RYBAKOV, Y. P. Axially-Symmetric Topological Configurations in the Skyrme and Faddeev Chiral Models. Eurasian Mathematical Journal, [S. l.], v. 6, n. 2, p. 82–89, 2015. Disponível em: https://emj.enu.kz/index.php/main/article/view/610. Acesso em: 19 sep. 2025.