IGARASHI, Masahiro. NOTE ON RELATIONS AMONG MULTIPLE ZETA(-STAR) VALUES. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 39, p. 710–756, 2018. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6862. Acesso em: 26 sep. 2026.