@article{
  author = {Ghasemi, A.R, Hajmohammad, M.H},
  title = {Evaluation of Buckling and Post Buckling of Variable Thickness Shell Subjected to External Hydrostatic Pressure},
  journal = {Journal of Solid Mechanics},
  year = {2017},
  volume = {9},
  number = {2},
  pages = {239-248},
  doi = {}
}