@article{convergenceandsamplecomplexityofgradient,
  title = {Convergence and sample complexity of gradient methods for the model-free linear quadratic regulator problem},
  author = {Hesameddin Mohammadi and Armin Zare and Mahdi Soltanolkotabi and Mihailo R. Jovanović},
  year = {2019},
  eprint = {1912.11899},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1912.11899v3},
}