Rafael Jakimczuk
      On the distribution of certain subsets of quadratfrei numbers
      International Mathematical Forum, Vol. 12, 2017, no. 4, 185-194
      https://doi.org/10.12988/imf.2017.612176

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.