Rafael Jakimczuk
      k-Tuples of positive integers with restrictions
      International Mathematical Forum, Vol. 13, 2018, no. 8, 375-383
      https://doi.org/10.12988/imf.2018.8635

Copyright © 2018 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.