D. V. Dung and N. T. Nga, Nonlinear buckling and post-buckling of eccentrically stiffened functionally graded cylindrical shells surrounded by an elastic medium based on the first order shear deformation theory, Vietnam J. Mech. 35 (2013) 285–298. DOI: https://doi.org/10.15625/0866-7136/35/4/3116.