1. Commutative Semigroup Rings;Gilmer,1984
2. Basically full ideals in local rings;Heinzer;J. Algebra,2002
3. Tight closure, invariant theory, and the Briançon–Skoda theorem;Hochster;J. Amer. Math. Soc.,1990
4. Closure operations on ideals and submodules;Kirby;J. London Math. Soc.,1969
5. Idealtheorie;Krull,1935