MARCU, D. An upper bound on the domination number of a graph. MATHEMATICA SCANDINAVICA, [S. l.], v. 59, p. 41–44, 1986. DOI: 10.7146/math.scand.a-12152. Disponível em: https://www.mscand.dk/article/view/12152. Acesso em: 3 may. 2024.