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A Course in Number Theory and Cryptography (1994) - Koblitz.pdf.gz

Analytic Number Theory (2015) - Pomerance, Rassias.pdf.gz

Applied Number Theory (2010) - Niederreiter, Winterhof.pdf.gz

Computational Number Theory and Cryptography (2014) - Mihăilescu, Rassias.pdf.gz

Geometric and Analytic Number Theory (1991) - Hlawka, Schoißengeier, Taschner.pdf.gz

Introduction to Analytic Number Theory (1976) - Apostol.pdf.gz

Number Theory Vol. II Analytic and Modern Tools (2007) - Cohen.pdf.gz

Number Theory Vol. I Tools and Diophantine Equations (2007) - Cohen.pdf.gz

Problems in Analytic Number Theory (2008) - Murty.pdf.gz