Rafael Jakimczuk
      On the kernel function
      International Mathematical Forum, Vol. 12, 2017, no. 14, 693-703
      https://doi.org/10.12988/imf.2017.7650
Copyright © 2017 Rafael Jakimczuk. 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.