@misc{indiciae65cd4d46a572,
  title = {Matrix calculi.},
  author = {J C Mall and P A Collins and E S Lyon},
  year = {1975},
  doi = {10.1259/0007-1285-48-574-807},
  url = {https://pubmed.ncbi.nlm.nih.gov/1104035/},
  note = {Source identifier: 1104035}
}