Zhang, Jinguo, and Tsing-San Hsu. “Multiple Solutions for a Fractional Laplacian System Involving Critical Sobolev-Hardy Exponents and Homogeneous Term”. Mathematical Modelling and Analysis 25, no. 1 (January 13, 2020): 1-20. Accessed November 1, 2024. https://gc.vgtu.lt/index.php/MMA/article/view/7704.