Qin Zhang, Chengye Zhao
      Double total domination in circulant graphs
      Applied Mathematical Sciences, Vol. 12, 2018, no. 32, 1623-1633
      https://doi.org/10.12988/ams.2018.811172

Copyright © 2018 Qin Zhang and Chengye Zhao. 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.