1. O. D. Avraamova, “Generalized density theorem” [in Russian], In:Abelian Groups and Modules, No. 8, Tomsk (1989), pp. 3–16.
2. V. A. Andrunakievich and Yu. M. Ryabukhin, “Rings without nilpotent elements and completely prime ideals,”Dokl. Akad. Nauk SSSR,180, No. 1, 9–11 (1968).
3. V. A. Andrunakievich and Yu. M. Ryabukhin,Radicals of Algebras and Structure Theory [in Russian], Nauka, Moscow (1979).
4. M. F. Atiyah and I. G. Macdonald,Introduction to Commutative Algebra, Addison-Wesley, Reading (1969).
5. O. K. Babkov, “Quotient rings of semiprime rings and algebraic extensions” [in Russian], In:The Fifth All-Union Symposium on the Theory of Rings, Algebras, and Modules, Novosibirsk (1982), pp. 9–10.