1. Complemented modular lattices;Amemiyah;Canad. J. Math.,1959
2. Baer ∗ Rings;Berberían,1972
3. Hereditary commutative rings and centres of hereditary rings;Bergman;Proc. London Math. Soc.,1971
4. Flat regular quotient rings;Cateforis;Trans. Amer. Math. Soc.,1969
5. Direct products of modules;Chase;Trans. Amer. Math. Soc.,1960