RAJOLA, Sandro; SCAFATI TALLINI, Maria. STRONG COLOURINGS OF HYPERGRAPHS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 27, p. 255–272, 2010. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/5814. Acesso em: 18 may. 2026.