@misc{indiciae2102a9a6ca10,
  title = {Structural classification of multi-input nonlinear systems.},
  author = {H W Chen and L D Jacobson and J P Gaska},
  year = {1990},
  doi = {10.1007/bf00202751},
  url = {https://pubmed.ncbi.nlm.nih.gov/2223893/},
  note = {Source identifier: 2223893}
}