@misc{indiciae2709a67625c4,
  title = {Algebraic Structure of Linear Dynamical Systems. III. Realization Theory Over a Commutative Ring.},
  author = {Y Rouchaleau and B F Wyman and R E Kalman},
  year = {1972},
  doi = {10.1073/pnas.69.11.3404},
  url = {https://pubmed.ncbi.nlm.nih.gov/16592029/},
  note = {Source identifier: 16592029}
}