Differential Equations & Applications · Volume 8, Issue 1 Infinitely many solutions for a fourth-order nonlinear elliptic system 08-01 Pages 1-19 DOI 10.7153/dea-08-01 Downloads Short PDF Full PDF PNG Authors Zhenzhen Zhang Xudong Shang Jihui Zhang Keywords fourth-order elliptic system variational methods variant Fountain theorem Subject classes 26D15 26A51 32F99 41A17