Peter V. Danchev
      A note on UU rings
      International Mathematical Forum, Vol. 12, 2017, no. 7, 327-329
      https://doi.org/10.12988/imf.2017.7111
Copyright © 2017 Peter V. Danchev. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.