1. ON 𝜙-SCHREIER RINGS
2. On ϕ-Prüfer rings and ϕ-Bezout rings;Anderson D. F.;Houston J. Math,2004
3. on ϕ-Dedekind rings and ϕ-Krull rings;Anderson D. F.;Houston J. Math,2005
4. Nonnil-coherent rings
5. Badawi, A. (1999). On ϕ-pseudo-valuation rings. In: Lecture Notes in Pure and Applied Mathematics, Vol. 205. New York, Basel: Marcel Dekker, pp. 101–110.