@article{Grotendorst1991,
  author    = {Grotendorst, Johannes},
  title     = {A Maple package for transforming series, sequences and functions},
  series = {Computer Physics Communications. 67 (1991), H. 2},
  journal   = {Computer Physics Communications. 67 (1991), H. 2},
  isbn      = {0010-4655},
  pages     = {325 -- 342},
  year      = {1991},
  language  = {en}
}
@article{Grotendorst1990,
  author    = {Grotendorst, Johannes},
  title     = {Approximating functions by means of symbolic computation and a general extrapolation method},
  series = {Computer Physics Communications. 59 (1990), H. 2},
  journal   = {Computer Physics Communications. 59 (1990), H. 2},
  isbn      = {0010-4655},
  pages     = {289 -- 301},
  year      = {1990},
  language  = {en}
}
@article{GrotendorstScottAubertFreconetal.2004,
  author    = {Grotendorst, Johannes and Scott, Tony C. and Aubert-Fr{\´e}con, Monique and Andrae, D. and Morgan III, J. D. and Glasser, M. L.},
  title     = {Exchange Energy for Two-Active-Electron Diatomic Systems within the Surface Integral Method / Scott,T. C .; Aubert-Fr{\´e}con, M. ; Andrae, D. ; Grotendorst, J. ; Morgan III, J. D. ; Glasser, M. L.},
  series = {Applicable Algebra in Engineering, Communication and Computing. 15 (2004), H. 2},
  journal   = {Applicable Algebra in Engineering, Communication and Computing. 15 (2004), H. 2},
  isbn      = {0938-1279},
  pages     = {101 -- 128},
  year      = {2004},
  language  = {en}
}