RIZZI, R. Linear Time Recognition of P4-Indifferent Graphs. BRICS Report Series, [S. l.], v. 6, n. 38, 1999. DOI: 10.7146/brics.v6i38.20107. Disponível em: https://tidsskrift.dk/brics/article/view/20107. Acesso em: 29 mar. 2024.