Burrill, Claude W.
Foundations of real numbers
McGraw-Hill, 1967
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Borevich, Z.I.
Number theory
Academic Press, 1966
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Weil, André
Basic number theory
Springer-Verlag, 1973
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Adams, William W.
Introduction to number theory
Prentice-Hall, 1976
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Flath, Daniel E.
Introduction to number theory
John Wiley & Sons, 1989
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