@article{indextrackingwithcardinalityconstraintsa,
  title = {Index Tracking with Cardinality Constraints: A Stochastic Neural Networks Approach},
  author = {Yu Zheng and Bowei Chen and Timothy M. Hospedales and Yongxin Yang},
  year = {2019},
  eprint = {1911.05052},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.05052v2},
}