APA (7th ed.) Citation

Sun, T., & Yi, L. (2014). A Petrov-Galerkin spectral method for fourth-order problems. Mathematical methods in the applied sciences, 37(15), 2257-2270. https://doi.org/10.1002/mma.2973

Chicago Style (17th ed.) Citation

Sun, Tao, and Lijun Yi. "A Petrov-Galerkin Spectral Method for Fourth-order Problems." Mathematical Methods in the Applied Sciences 37, no. 15 (2014): 2257-2270. https://doi.org/10.1002/mma.2973.

MLA (9th ed.) Citation

Sun, Tao, and Lijun Yi. "A Petrov-Galerkin Spectral Method for Fourth-order Problems." Mathematical Methods in the Applied Sciences, vol. 37, no. 15, 2014, pp. 2257-2270, https://doi.org/10.1002/mma.2973.