To cite package ‘nlsic’ in publications use:

Sokol S (2026). nlsic: Non Linear Least Squares with Inequality Constraints. R package version 1.2.0, https://github.com/mathscell/nlsic.

Corresponding BibTeX entry:

  @Manual{,
    title = {nlsic: Non Linear Least Squares with Inequality
      Constraints},
    author = {Serguei Sokol},
    year = {2026},
    note = {R package version 1.2.0},
    url = {https://github.com/mathscell/nlsic},
  }