1. Primer on Composite Materials: Analysis;Ashton,1969
2. The basic equations of the theory of elasticity for materials with different tensile and compressive strengths;Ambartsumyan;Mechanics of Solids,1966
3. The basic equations and relations of the different-modulus theory of elasticity of an anisotropic body;Ambartsumyan;Mechanics of Solids,1969
4. The axisymmetric problems of a circular cylindrical shell with different stiffness in tension and compression;Ambartsumyan;Izv. Akad. Nauk., SSSR, Mekh.,1965