Zhang, X., & Wang, L. (2016). Existence of weak quasi-periodic solutions for a second order Hamiltonian system with damped term via a PDE approach. Electronic Journal of Qualitative Theory of Differential Equations, 2016(109), 1. https://doi.org/10.14232/ejqtde.2016.1.109
Chicago Style (17th ed.) CitationZhang, Xingyong, and Liben Wang. "Existence of Weak Quasi-periodic Solutions for a Second Order Hamiltonian System with Damped Term via a PDE Approach." Electronic Journal of Qualitative Theory of Differential Equations 2016, no. 109 (2016): 1. https://doi.org/10.14232/ejqtde.2016.1.109.
MLA (9th ed.) CitationZhang, Xingyong, and Liben Wang. "Existence of Weak Quasi-periodic Solutions for a Second Order Hamiltonian System with Damped Term via a PDE Approach." Electronic Journal of Qualitative Theory of Differential Equations, vol. 2016, no. 109, 2016, p. 1, https://doi.org/10.14232/ejqtde.2016.1.109.