@misc{indiciae3e4f244b31f0,
  title = {Theorems on linear systems.},
  author = {J Z HEARON},
  year = {1963},
  doi = {10.1111/j.1749-6632.1963.tb13364.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13963664/},
  note = {Source identifier: 13963664}
}