@article{etna_vol52_pp370-390,
  author  = {Sk. Safique Ahmad and Prince Kanhya},
  title   = {Perturbation analysis on matrix pencils for two specified eigenpairs of a semisimple eigenvalue with multiplicity two},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {52},
  year    = {2020},
  pages   = {370--390},
  doi     = {10.1553/etna_vol52s370},
}