To cite package 'deTestSet' in publications use:

Mazzia F, Cash JR, Soetaert K (2012). “A Test Set for Stiff Initial Value Problem Solvers in the open source software R: package deTestSet.” Journal of Computational and Applied Mathematics, 236, 4119–4131. doi: 10.1016/j.cam.2012.03.014.

Corresponding BibTeX entry:

  @Article{,
    title = {A Test Set for Stiff Initial Value Problem Solvers in the
      open source software {R}: package de{T}est{S}et},
    author = {Francesca Mazzia and Jeff R. Cash and Karline Soetaert},
    journal = {Journal of Computational and Applied Mathematics},
    volume = {236},
    pages = {4119--4131},
    year = {2012},
    doi = {10.1016/j.cam.2012.03.014},
    keywords = {ordinary differential equations, initial value
      problems, R, FORTRAN, C},
  }