@article{Kormushev2009eligibility,
  author   = {Petar Kormushev and Kohei Nomoto and Fangyan Dong and Kaoru Hirota},
  title    = {Eligibility Propagation to Speed up Time Hopping for Reinforcement Learning},
  journal  = {Journal of Advanced Computational Intelligence and Intelligent Informatics},
  volume   = {13, No. 6},
  year     = {2009},
  url      = {https://kormushev.com/papers/Kormushev_JACIII-2009.pdf}
}