Existence and stability of axisymmetric buckled states of spherical shells George H. KnightlyD. Sather OriginalPaper Pages: 305 - 319
On the failure of ellipticity of the equations for finite elastostatic plane strain J. K. KnowlesEli Sternberg OriginalPaper Pages: 321 - 336
Convexity conditions and existence theorems in nonlinear elasticity John M. Ball OriginalPaper Pages: 337 - 403