SCHNEPS, L. Dual-depth Adapted Irreducible Formal Multizeta Values. MATHEMATICA SCANDINAVICA, [S. l.], v. 113, n. 1, p. 53–62, 2013. DOI: 10.7146/math.scand.a-15481. Disponível em: https://www.mscand.dk/article/view/15481. Acesso em: 7 apr. 2025.