Re: contraction is not admissible for co-contractio

Alessio Guglielmi <Alessio.Guglielmi-r/[email protected]> Sun, 15 Feb 2004 05:22:58 +0100
Newsgroups gmane.science.mathematics.frogs
Message-ID <Alessio.Guglielmi-A25429.05225715022004__38203.6497736864$1264448394$gmane$org@sea.gmane.org>
test