To cite package ‘gmresls’ in publications use:

  Sokol S (2024). _gmresls: Solve Least Squares with GMRES(k)_. R
  package version 0.2.2, <https://CRAN.R-project.org/package=gmresls>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gmresls: Solve Least Squares with GMRES(k)},
    author = {Serguei Sokol},
    year = {2024},
    note = {R package version 0.2.2},
    url = {https://CRAN.R-project.org/package=gmresls},
  }