Yanling Zhu and Kai Wang, Periodic Solutions for a Third-order p-Laplacian Functional Differential Equation. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. July 2010, vol. 43(7). 808 - 811 [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/9542.