APA (7th ed.) Citation

Wang, Z., & Zhang, J. (2011). Periodic solutions for nonautonomous second order Hamiltonian systems with sublinear nonlinearity. Boundary value problems, 2011(1), 1-14. https://doi.org/10.1186/1687-2770-2011-23

Chicago Style (17th ed.) Citation

Wang, Zhiyong, and Jihui Zhang. "Periodic Solutions for Nonautonomous Second Order Hamiltonian Systems with Sublinear Nonlinearity." Boundary Value Problems 2011, no. 1 (2011): 1-14. https://doi.org/10.1186/1687-2770-2011-23.

MLA (9th ed.) Citation

Wang, Zhiyong, and Jihui Zhang. "Periodic Solutions for Nonautonomous Second Order Hamiltonian Systems with Sublinear Nonlinearity." Boundary Value Problems, vol. 2011, no. 1, 2011, pp. 1-14, https://doi.org/10.1186/1687-2770-2011-23.