DELLA CROCE, Federico; PASCHOS, Vangelis Th.; CALVO, Roberto Wolfler. Approximating the metric 2-Peripatetic Salesman Problem. Algorithmic Operations Research, [S. l.], v. 5, n. 1, p. Pages 13 – 20, 2010. Disponível em: https://journals.lib.unb.ca/index.php/AOR/article/view/11496. Acesso em: 23 apr. 2024.