Approximating term structure of interest rates using cubic L

@article{Chiu2008ApproximatingTS,
  title={Approximating term structure of interest rates using cubic L},
  author={Nan-Chieh Chiu and Shu-Cherng Fang and John E. Lavery and Jen-Yen Lin and Yong Wang},
  journal={European Journal of Operational Research},
  year={2008},
  volume={184},
  pages={990-1004}
}