To cite {tvGarchKF} package in publications use:

Ferreira G, Arancibia T (2025). tvGarchKF. https://github.com/Tomas-UDEC/tvGarchKF.

Corresponding BibTeX entry:

  @Manual{,
    title = {tvGarchKF},
    author = {Guillermo Ferreira and Tomás Arancibia},
    year = {2025},
    url = {https://github.com/Tomas-UDEC/tvGarchKF},
  }