@article{databasedapproximatepolicyiterationfor,
  title = {Data-based approximate policy iteration for nonlinear continuous-time optimal control design},
  author = {Biao Luo and Huai-Ning Wu and Ting-Wen Huang and Derong Liu},
  year = {2013},
  eprint = {1311.0396},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1311.0396v1},
}