ENDO, K.; MIMURA, I.; SAWADA, Y. Hypergroups and distance distributions of random walks on graphs. MATHEMATICA SCANDINAVICA, [S. l.], v. 127, n. 1, p. 43–62, 2021. DOI: 10.7146/math.scand.a-122932. Disponível em: https://www.mscand.dk/article/view/122932. Acesso em: 5 aug. 2021.