GAP

URL: http://www.gap-system.org
Contact: gap@mail.gap-system.org

GAP is a free system for computational discrete algebra.

Citation:

@manual{GAP4,
  key          = "GAP",
  organization = "The GAP~Group",
  title        = "{GAP -- Groups, Algorithms, and Programming, Version 4.4}",
  year         = 2003,
  note         = "\verb+(http://www.gap-system.org)+"
  }