Vu, Thi Thuy Anh and Dao, Huy Bich and Nguyen, Dinh Duc  (2014) The Nonlinear Post-buckling of Thin FGM Annular Spherical Shells Under Mechanical Loads and Resting on Elastic Foundations.  Vietnam Journal of Mechanics, 36  (4).    ISSN 0866-7316