@misc{1169386,
  author = {Ky Fan and A J Hoffman},
  title = {Lower bounds for the rank and location of the Eigenvalues of a matrix:},
  year = {1953},
  month = {1953-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.2246},
  language = {en},
}