References

Iwa59

K. Iwasawa. On \(\Gamma \)-extensions of algebraic number fields. Bull. Amer. Math. Soc. 65 (1959), 183–226.

Was97

L. C. Washington. Introduction to cyclotomic fields. Second edition. Grad. Texts in Math., 83. Springer-Verlag, New York, 1997. xiv+487 pp.