主な理想的なリング
Principal ideal | Wikipedia audio article
主な理想領域
Every PID is Noetherian
理想(環理論)
Valuation ring
Discrete valuation ring
Ideal number
Glossary of ring theory
Ideal class group
What does principal ideal domain mean?
Prime ideal
Ring theory | Wikipedia audio article
Ring (mathematics) | Wikipedia audio article
What is...the calculus of ideals?
可換環
What are...subrings and ideals?
整数のリング
Principal Ideal