Mehmet Fatih Tasgetiren, Ponnuthurai N. Suganthan, Quan-Qe Pan. A discrete particle swarm optimization algorithm for the generalized traveling salesman problem. In Hod Lipson, editor, Genetic and Evolutionary Computation Conference, GECCO 2007, Proceedings, London, England, UK, July 7-11, 2007. pages 158-167, ACM, 2007. [doi]
Abstract is missing.