Differential Equations & Applications · Volume 3, Issue 2 Existence of solutions for the coupled systems of second and fourth order elliptic equations 03-16 Pages 267-277 DOI 10.7153/dea-03-16 Downloads Short PDF Full PDF PNG Authors Lei Ji Chun-Lei Tang Keywords elliptic system variational methods condition (C)c linking theorem nonquadraticity at infinity Subject classes 35J48 35J50 35J58