Djoko Suprijanto
      Observation on sums of powers of integers divisible by 4k-1
      Applied Mathematical Sciences, Vol. 9, 2015, no. 70, 3457-3465
      http://dx.doi.org/10.12988/ams.2015.52109

Copyright © 2015 Djoko Suprijanto. 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.