@misc{indiciae27c959cc82bf,
  title = {Partial BFGS update and efficient step-length calculation for three-layer neural networks.},
  author = {K Saito and R Nakano},
  year = {1997},
  doi = {10.1162/neco.1997.9.1.123},
  url = {https://pubmed.ncbi.nlm.nih.gov/9117895/},
  note = {Source identifier: 9117895}
}