@article{automaticsynthesisofgeometryproblemsfor,
  title = {Automatic Synthesis of Geometry Problems for an Intelligent Tutoring System},
  author = {Chris Alvin and Sumit Gulwani and Rupak Majumdar and Supratik Mukhopadhyay},
  year = {2015},
  eprint = {1510.08525},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1510.08525v1},
}