PIKE, D. A.; SANAEI, A.; SHALABY, N. 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://www.mscand.dk/article/view/25502. Acesso em: 4 dec. 2024.