1. A. N. Abyzov, “Closure of weakly regular modules with respect to direct sums,” Izv. Vyssh. Uchebn. Zaved., Mat., No. 9, 3–5 (2003).
2. A. N. Abyzov, “Weakly regular modules over semiperfect rings,” Chebyshevskii Sb., 4, No. 1, 4–9 (2003).
3. A. N. Abyzov, “Weakly regular modules,” Izv. Vyssh. Uchebn. Zaved., Mat., No. 3, 3–6 (2004).
4. N. V. Dung and P. F. Smith, “On semi-Artinian V-modules,” J. Pure Appl. Algebra, 82, No. 1, 27–37 (1992).
5. C. Faith, Algebra: Rings, Modules, and Categories I, Springer, Berlin (1973).