Recreations in the Theory of Numbers
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Essays on the Theory of Numbers
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Differential Forms
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Variational Methods in Optimization
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Differential Games
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Riemann's Zeta Function
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Symmetry
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$5.93
Concepts of Mathematical Modeling
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The Philosophy of Set Theory
$19.99
$7.00
Problems in Group Theory
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The Number System
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Diophantine Approximations
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$2.78