Clausen A, Sokol S (2019). Deriv: R-based Symbolic Differentiation. Deriv package version 3.8, https://CRAN.R-project.org/package=Deriv.

Corresponding BibTeX entry:

  @Manual{,
    title = {{Deriv}: R-based Symbolic Differentiation},
    author = {Andrew Clausen and Serguei Sokol},
    year = {2019},
    note = {Deriv package version 3.8},
    url = {https://CRAN.R-project.org/package=Deriv},
  }