Mohamed El Azzouzi, A. Kaddar
      Hopf bifurcation for a class of differential equations with two delays
      Nonlinear Analysis and Differential Equations, Vol. 4, 2016, no. 2, 65-80
      http://dx.doi.org/10.12988/nade.2016.51141

Copyright © 2015 Mohamed El Azzouzi and A. Kaddar. 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.