1. Variational Principles of Elasticity Theory and Shell Theory;ABOVSKII,1978
2. Alexandrov A. Ya., Bryukker L. E., Kurshin L. M., Prusakov A. P.: Solution of Three-layered Panels
3. Ambartsumian S. A.: On the solution of two-layered orthotropic shells
4. Ambartsumian S. A.: Theory of Anisotropic Shells
5. Analysis of a symmetrically loaded sandwich cylinder;BAKER;AIAA J.,1964