1. Raymond Ayoub. An Introduction to the Analytic Theory of Numbers. American Mathematical Society, Providence, Rhode Island, 1963.
2. Z. I. Borevich and I. R. Shafarevich. Number Theory. Academic Press, Inc., Orlando, Florida, 1966.
3. D. E. Knuth. The Art of Computer Programming, Vol. 2: Seminumerical Algorithms. Addison-Wesley, second edition edition, 1981.
4. Serge Lang. Algebraic Number Theory. Addison-Wesley, Reading, Massachusetts, 1970.
5. Jack Schwartz. Algebraic number theory. 1961. Notes by Hannah Rosenbaum and Carole Sirovich.