References
- Ehrlich , G. 1976 . Units and One-sided Units in Regular Rings . Trans. Amer , 216 : 81 – 90 .
- Goodearl , K.R. 1976 . Power-Cancellation of Groups and Modules . Pacific J , 64 : 387 – 411 .
- Goodearl , K.R. 1979 . Von Neumann Regular Rings , London, San : Pitman .
- Wu , T. 1984 . Weak Cancellation of Modules and Wsr1 Condition . J. Nanjing Univ. Math. Biquarterly , 11 : 109 – 116 .