On Necessary and Sufficient Conditions for Regulation of Linear Systems Over Rings, Open PDF Document Details Document Type Technical Report Publication Date Oct 09, 1980 Accession Number ADA118209 Entities People E. Emre Organizations University of Florida Tags Communities of Interest Energy and Power Technologies DTIC Thesaurus Topics Abstracts Air Force Applied Mathematics Closed Loop Systems Coefficients Control Systems Difference Equations Differential Equations Electrical Engineering Equations Feedback Linear Systems Open Loop Systems Polynomials Power Series Regulations Two Dimensional