GUAVA : a GAP 4 package - References

[GDT91]
Ernst M. Gabidulin, Alexander A. Davydov, and Leonid M. Tombak.
Linear codes with covering radius 2 and other new covering codes.
IEEE Trans. Inform. Theory, 37(1):219--224, 1991.
[Leon91]
Jeffrey S. Leon.
Permutation group algorithms based on partitions, I: theory and algorithms.
J. Symbolic Comput., 12:533--583, 1991.

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GUAVA manual
May 2002