@article{etna_vol65_pp254-270,
  author  = {Delin Chu and Volker Mehrmann},
  title   = {Regularization of port-Hamiltonian descriptor systems},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {65},
  year    = {2026},
  pages   = {254--270},
  doi     = {10.1553/etna_vol65s254},
}