Richard F. Ryan
      Results for special cases of Goormaghtigh's equation and related equations
      International Mathematical Forum, Vol. 11, 2016, no. 7, 329-336
      http://dx.doi.org/10.12988/imf.2016.6117
Copyright © 2016 Richard F. Ryan. 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.