P. K. Panda, Pitambar Das
      Oscilatory and asymptotic behavior of solutions of forced delay differential equations
      International Journal of Mathematical Analysis, Vol. 9, 2015, no. 46, 2273-2291
      http://dx.doi.org/10.12988/ijma.2015.46188

Copyright © 2014 P. K. Panda and Pitambar Das. 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.