Hernández-Pérez, Hipólito; Salazar-González, Juan-José - In: European Journal of Operational Research 196 (2009) 3, pp. 987-995
This paper concerns a generalization of the traveling salesman problem (TSP) called multi-commodity one-to-one pickup-and-delivery traveling salesman problem (m-PDTSP) in which cities correspond to customers providing or requiring known amounts of m different commodities, and the vehicle has a...