[1] GOLD R.-KIM J.: Bases for cyclotomic units. Compositio Math. 71 (1989), 13-27. MR 1008802 | Zbl 0687.12003

[2] KUČERA R.: On bases of the Stickelberger ideal and of the group of circular units of a cyclotomic field. J. Number Theory 40 (1992), 284-316. MR 1154041 | Zbl 0744.11052

[3] KUČERA R.: On the Stickelberger ideal and circular units of a compositum of quadratic fields. J. Number Theory 56 (1996), 139-166. MR 1370199 | Zbl 0840.11044

[4] KUČERA R.: Circular units and class groups of abehan fields. In: Comptes Rendus de la conference internationale Maroc-Quebec (Mai 2003) "Theorie des nombres et applications'', 2004, pp. 130-143. MR 2183100

[5] SINNOTT W.: On the Stickelberger ideal and the circular units of a cyclotomic field. Ann. of Math. (2) 108 (1978), 107-134. MR 0485778 | Zbl 0395.12014

[6] SINNOTT W.: On the Stickelberger ideal and the circular units of an abelian field. Invent. Math. 62 (1980), 181-234. MR 0595586 | Zbl 0465.12001

[7] WASHINGTON L. C.: Introduction to Cyclotomic Fields. (2nd ed.) Grad. Texts in Math. 83, Springer, New York, NY, 1997. MR 1421575 | Zbl 0966.11047