relations of large deformation. The post-buckling of shear deformable
FGM cylindrical shells surrounded by an elastic medium was studied
by Shen [8]. Sofiyev [9] analyzed the buckling of FGM circular shells
under combined loads and resting on the Pasternak type elastic
foundation. Zozulya and Zhang [10] studied the behavior of functionally graded axisymmetric cylindrical shells based on the high order
theory.