Li, Zhao-Xiang, Ji Lao, and Zhong-Qing Wang. “Mixed Fourier-Legendre Spectral Methods for the Multiple Solutions of the Schrodinger Equation on the Unit Disk”. Mathematical Modelling and Analysis 22, no. 2 (March 18, 2017): 167-185. Accessed November 25, 2024. https://gc.vgtu.lt/index.php/MMA/article/view/886.