1. Sobolev Spaces;Adams,1975
2. Convexity conditions and existence theorems in nonlinear elasticity;Ball;Arch. Rational Mech. Anal.,1977
3. Constitutive inequalities and existence theorems in nonlinear elastostatics;Ball,1976
4. A relaxation theorem and its application to the equilibrium of gases;Dacorogna;Arch. Rational Mech. Anal.,1982
5. Minimal hypersurfaces problems in parametric form with nonconvex integrands;Dacorogna;Indiana Math. J.,1982