Khadija Niri, Jaafar El Karkri
      Local asymptotic stability of an SIS epidemic model with variable population size and a delay
      Applied Mathematical Sciences, Vol. 9, 2015, no. 64, 3165-3180
      http://dx.doi.org/10.12988/ams.2015.5116

Copyright © 2015 Khadija Niri and Jaafar El Karkri. 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.