@article{JMLR:v21:19-198,
  author  = {Dhruv Malik and Ashwin Pananjady and Kush Bhatia and Koulik Khamaru and Peter L. Bartlett and Martin J. Wainwright},
  title   = {Derivative-Free Methods for Policy Optimization: Guarantees for Linear Quadratic Systems},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {21},
  pages   = {1--51},
  url     = {http://jmlr.org/papers/v21/19-198.html}
}