Main group 1

• Jonsson, Markus, Fermat's last theorem for regular prime exponents., Uppsala, 1999

Main group 2

• Fröhlich, A.; Taylor, M.J., Algebraic number theory, Cambridge University Press, 1994

Main group 3

• Stewart, I.; Tall, D., Algebraic number theory and Fermat's last theorem, third edition, AK Peters, 2002