@misc{W2155399784,
  author = {Sheng Chen and C.F.N. Cowan and P.M. Grant},
  title = {Orthogonal least squares learning algorithm for radial basis function networks},
  year = {1991},
  howpublished = {IEEE Transactions on Neural Networks},
  doi = {https://doi.org/10.1109/72.80341}
}