%0 Journal Article %T Semi Analytical Analysis of FGM Thick-Walled Cylindrical Pressure Vessel with Longitudinal Variation of Elastic Modulus under Internal Pressure %A Shariati, Mahmoud %A H. Sadeghi %A M. Ghannad %A H. Gharooni %J Journal of Solid Mechanics %@ 2008-3505 %D 2015