PIKE, David A.; SANAEI, Asiyeh; SHALABY, Nabil. Pseudo-Skolem sequences and graph Skolem labelling. MATHEMATICA SCANDINAVICA, [S. l.], v. 120, n. 1, p. 17–38, 2017. DOI: 10.7146/math.scand.a-25502. Disponível em: https://tidsskrift.dk/math/article/view/25502. Acesso em: 14 aug. 2026.