BRUNS, Winfried; HIBI, Takayuki. A new invariant of lattice polytopes. MATHEMATICA SCANDINAVICA, [S. l.], v. 130, n. 2, 2024. DOI: 10.7146/math.scand.a-143486. Disponível em: https://www.mscand.dk/article/view/143486. Acesso em: 5 dec. 2025.