@article{wolek2016optimal,
  title={Optimal paths in still air for a sailplane with a quadratic glide polar},
  author={Wolek, A and Woolsey, C A},
  journal={Technical Soaring},
  volume={40},
  number={2},
  pages={9--23},
  year={2016},
  url={https://journals.sfu.ca/ts/index.php/ts/article/view/1246}
}