On elliptic units and class number of a certain dihedral extension of degree 2l
On Euclidean rings of integers in cyclotomic fields.
On explicit relations between cyclotomic numbers
On Fermat's last theorem.
On Fermat's last theorem. VII.
On Fröhlich's Conjecture for Rings of Integers of Tame Extensions.
On Gauss sum characters of finite groups and generalized Bernoulli numbers
On Geometric Zp-Extensions of Function Fields.
On Grunwald-Wang's theorem.
On Hilbert-Speiser type imaginary quadratic fields
On Iwasawa’s λ-invariant for certain -extensions
On Jacobi sums in ℚ(ζₚ)
On octic fields of exponent 2.
On -adic -functions and the Riemann-Hurwitz genus formula
On p-adic L-functions and normal bases of rings of integers.
On Ray Class Annihilators of Cyclotomic Fields.
On ray class annihilators of cyclotomic function fields
On representation of cyclotomic fields
On Shioda's problem about Jacobi sums
On Shioda's problem about Jacobi sums II