Dear friends, I wish you and your families a MERRY CHRISTMAS and I have the hope that 2005 will bring to our world the so needed peace. Best regards Ramon Puigjaner
========================================================================= Ramon Puigjaner Universitat de les Illes Balears Departament de Ciencies Matematiques i Informatica 07122 PALMA (Spain) Phone: +34-971173288 Fax: +34-971173003 e-mail: putxi@uib.es =========================================================================