@article{
  author = {Fakhari Golpayegani, I},
  title = {Calculation of Natural Frequencies of Bi-Layered Rotating Functionally Graded Cylindrical Shells},
  journal = {Journal of Solid Mechanics},
  year = {2018},
  volume = {10},
  number = {1},
  pages = {216-231},
  doi = {}
}