@article{projectedneuralnetworkforaclassof,
  title = {Projection Neural Network for a Class of Sparse Regression Problems with Cardinality Penalty},
  author = {Wenjing Li and Wei Bian},
  year = {2020},
  eprint = {2004.00858},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2004.00858v4},
}