The traveling purchaser problem with stochastic prices: Exact and approximate algorithms

@article{Kang2011TheTP,
  title={The traveling purchaser problem with stochastic prices: Exact and approximate algorithms},
  author={Seungmo Kang and Yanfeng Ouyang},
  journal={European Journal of Operational Research},
  year={2011},
  volume={209},
  pages={265-272}
}