BONOMO, F.; MATTIA, S.; ORIOLO, G. Bounded coloring of co-comparability graphs and the pickup and delivery tour combination problem. Department of Computer and System Sciences Antonio Ruberti Technical Reports, [S. l.], v. 2, n. 6, 2010. Disponível em: https://rosa.uniroma1.it/rosa00/index.php/dis_technical_reports/article/view/8849. Acesso em: 19 may. 2024.