Ribenboim P. 13 Lectures on Fermat's Last Theorem

Springer-Verlag, 1979. — 317 p. — ISBN: 0-387-90432-8, 3-540-90432-8.Fermat's problem, also called Fermat's last theorem, has attracted the attention of mathematicians far more than three centuries. Many clever methods have been devised to attack the problem, and many beautiful theories have been treated with the aim of proving the theorem. Yet, despite all the attempts, the question remains unanswered.