APA (7th ed.) Citation

Qiu, X., Xu, J., O’Regan, D., & Cui, Y. Positive Solutions for a System of Nonlinear Semipositone Boundary Value Problems with Riemann-Liouville Fractional Derivatives. Wiley.

Chicago Style (17th ed.) Citation

Qiu, Xiaowei, Jiafa Xu, Donal O’Regan, and Yujun Cui. Positive Solutions for a System of Nonlinear Semipositone Boundary Value Problems with Riemann-Liouville Fractional Derivatives. Wiley.

MLA (9th ed.) Citation

Qiu, Xiaowei, et al. Positive Solutions for a System of Nonlinear Semipositone Boundary Value Problems with Riemann-Liouville Fractional Derivatives. Wiley.