中国科学院数学与系统科学研究院期刊网
Existence of Ground State and Sign-Changing Solutions for Biharmonic Equation with Nonsymmetric Perturbation
Senli Liu, Haibo Chen
Acta Mathematica Sinica, Chinese Series . 2025, (6): 1013 -1036 .  DOI: 10.12386/A20250087