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1
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2ανά Reis, CliveΘέματα: “...Abstract algebra - Groups, rings, and fields...”
Έκδοση 2011
Printed Book -
3
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4ανά Moore, John. TΘέματα: “...Sets,Theorems on Integers,Rational Integers,Lattices and Boolean Algebra,Groups,Rings,Isomorphism...”
Έκδοση 1963
Printed Book