This is an old revision of this page, as edited by 69.255.39.17(talk) at 16:58, 16 March 2012(←Created page with 'i think this is typically called an epsilon-ball?'). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 16:58, 16 March 2012 by 69.255.39.17(talk)(←Created page with 'i think this is typically called an epsilon-ball?')
