This is an old revision of this page, as edited by Linas(talk | contribs) at 20:01, 17 April 2005(Sigma-approximation moved to Sigma approximation). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 20:01, 17 April 2005 by Linas(talk | contribs)(Sigma-approximation moved to Sigma approximation)
