A. M. A. El-Sayed, S. M. Salman, N. A. Elabd
      On the fractional-order Nicholson equation
      Applied Mathematical Sciences, Vol. 10, 2016, no. 11, 503-518
      http://dx.doi.org/10.12988/ams.2016.512720
Copyright © 2015 A. M. A. El-Sayed, S. M. Salman and N. A. Elabd. 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.