  
  
  [1XReferences[0X
  
  [[20XGAP[15X] [17XGAP -- Groups, Algorithms, and Programming, Version 4.4.9[15X, The GAP
  Group, Aachen, St Andrews (2006), (http://www.gap-system.org)
  
  [[20XLam85[15X]   [16XLamport,   L.[15X,   [17XLaTeX:   A   Document   Preparation   System[15X,
  Addison-Wesley (1985)
  
  
  
  -------------------------------------------------------
