1. V. A. Andrunakievic and Ju. M. Rjabuhin, Rings without nilpotent elements and completely simple ideals,Soviet Math. Dokl.,9 (1968), 565–567.
2. K. Chiba and H. Tominaga, On strongly regular rings,Proc. Jap. Acad.,49 (1973), 435–437.
3. J. W. Fisher, Von Neumann regular rings versusV-rings, Ring theory:Proc. Univ. Oklahoma Conference, Dekker (New York, 1974), 101–119.
4. J. W. Fisher and R. L. Snider, On the von Neumann regularity of rings with regular prime factor rings,Pac. J. Math.,54 (1974), 135–144.
5. V. Gupta, The maximal right weakly regular ideal of a ring,Glasnik Mat.,9 (1974), 29–33.