1. K. Asano,Zur Arithmetik in Schiefringen II, J. Inst. Polytech. Osaka City Univ. Ser. A Math.1 (1950), 1–27.
2. A. W. Chatters,A decomposition theorem for Noetherian hereditary rings, J. London Math. Soc.4 (1971), 83–87.
3. C. Faith,Projective ideals in Cohen rings, Arch. Math.26 (1975), 588–594.
4. C. Faith,Characterizations of rings by faithful modules, Lecture Notes, Department of Mathematics, Technion—Israel Institute of Technology, Haifa, Israel, 1976.
5. C. Faith,Algebra: Rings, Modules, and Categories, I and II, Springer, Berlin and New York, 1973 and 1976.