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Geometria Analítica da seção ler

Semi-Riemannian Geometry with Applications to Relativity: Volume 103

por: Barrett O'Neill

This book is an exposition of semi-Riemannian geometry (also called pseudo-Riemannian geometry)--the
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How To Solve It: A New Aspect of Mathematical Method

por: George Polya

"Solving problems", wrote Polya, "is a practical art, like swimming, or skiing, or playing the piano:
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