Ing-Jer Lin, Yi-Chien Cheng
      Some new convergence theorems under nonlinear conditions on metric spaces
      International Mathematical Forum, Vol. 13, 2018, no. 5, 233-250
      https://doi.org/10.12988/imf.2018.8318
Copyright © 2018 Ing-Jer Lin and Yi-Chien Cheng. 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.