@article{gradientdescentovermetagrammarsforsyntax,
  title = {Gradient Descent over Metagrammars for Syntax-Guided Synthesis},
  author = {Nicolas Chan and Elizabeth Polgreen and Sanjit A. Seshia},
  year = {2020},
  eprint = {2007.06677},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2007.06677v2},
}