Approximation Algorithms for General Cluster Routing Problem. - Xiaoyan Zhang 001; Donglei Du; Gregory Z. Gutin; Qiaoxia Ming; Jian Sun 022 (COCOON, 2020)

Approximation algorithms with constant ratio for general cluster routing problems. - Xiaoyan Zhang 001; Donglei Du; Gregory Z. Gutin; Qiaoxia Ming; Jian Sun 022 (J. Comb. Optim., 2022)