Equations in the Hadamard ring of rational functions Article Sidebar Download Article PDF Download Article Abstract PDF Submitted: Feb 1, 2007 Accepted: Aug 30, 2007 Published: Dec 2, 2009 DOI: https://doi.org/10.2422/2036-2145.2007.3.05 Issue 2007: VOL. VI, ISSUE 3 Section Article Main Article Content Andrea Ferretti Umberto Zannier Abstract Article Details