1. H. Edwards, Fermat’s Last Theorem (Springer, New York, 2000).
2. H. Edwards, Fermat’s Last Theorem: A Genetic Introduction to Algebraic Number Theory (Springer, Heidelberg, 1977; Mir, Moscow, 1980).
3. M. M. Postnikov, An Introduction to the Theory of Algebraic Numbers (Nauka, Moscow, 1982) [in Russian].
4. M. M. Postnikov, Fermat’s Theorem: An Introduction to the Theory of Algebraic Numbers (Nauka, Moscow, 1978) [in Russian].
5. W. Sierpinski, Elementary Theory of Numbers (PWN, Warsaw, 1964).