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1
by Polya, George, Szegö, Gabor
Published 1998
Springer Berlin Heidelberg
Table of Contents: “... of Zeros -- 1. Rolle’s Theorem and Descartes’ Rule of Signs -- 2. The Geometry of the Complex Plane...”
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2
by Polya, George
Published 2014
Princeton University Press
Table of Contents: “... and recombining -- Definition -- Descartes -- Determination, hope, success -- Diagnosis -- Did you use all...”