Rais, A.; Alvelos, F.; Carvalho, M.S. - In: European Journal of Operational Research 235 (2014) 3, pp. 530-539
In recent years, many important real-world applications are studied as “rich” vehicle routing problems that are variants and generalizations of the well-known vehicle routing problem. In this paper we address the pickup-and-delivery version of this problem and consider further generalization...