Abstract: | This survey mainly covers material abstracted in theReferativnyi Zhurnal Matematika during the period 1977–1983 and is a continuation of earlier surveys on the same subject, the theory of associative rings. An extensive bibliography of 1201 titles is included.Translated from Itogi Nauki i Tekhniki, Seriya Algebra, Topologiya, Geometriya, Vol. 22, pp. 3–115, 1984. |