# FGA : a GAP 4 package - References

[BirgetEtAl00]
  J.-C. Birget, S. Margolis, J. Meakin, and P. Weil.
  PSPACE-complete problems for subgroups of free groups and inverse finite automata.
  Theoretical Computer Science, 242:247--281, 2000.
[LyndonSchupp77]
  Roger C. Lyndon and Paul E. Schupp.
  Combinatorial Group Theory.
  Springer, 1977.
[Neumann33]
  Bernd Neumann.
  Die Automorphismengruppe der freien Gruppen.
  Math. Annalen, 107:367--386, 1933.
[Nielsen]
  J. Nielsen.
  Die Isomorphismengruppe der freien Gruppen.
  Math. Annalen, 91:169--209, 1924.
[Sievers03]
  Christian Sievers.
  Algorithmen für freie Gruppen.
  Diplomarbeit, TU Braunschweig, 2003.
[Sims94]
  C. C. Sims.
  Computation with Finitely Presented Groups.
  Cambridge University Press, 1994.

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