@inproceedings{alearningbasediterativemethodforsolving,
  title = {A Learning-based Iterative Method for Solving Vehicle Routing Problems},
  author = {Hao Lu and Xingwen Zhang and Shuang Yang},
  year = {2020},
  booktitle = {ICLR 2020 1},
  url = {https://openreview.net/forum?id=BJe1334YDH},
}