To cite grpsel in publications use:

Thompson R, Vahid F (2022). “Group selection and shrinkage: Structured sparsity for semiparametric models.” arXiv:2105.12081.

Corresponding BibTeX entry:

  @Article{,
    title = {Group selection and shrinkage: Structured sparsity for
      semiparametric models},
    author = {Ryan Thompson and Farshid Vahid},
    journal = {arXiv:2105.12081},
    year = {2022},
  }