V Arnautov - Buletinul Academiei de Ştiinţe a Republicii Moldova …, 2006 - ibn.idsi.md
A continuous ring isomorphism _:(R, _)→(bR, b_) is said to be semi-topological from the left
(right) in the class ℜ provided (R, _) is a left ideal (right ideal, ideal) of a topological ring (e R …