@article{SisLab2418,
          volume = {55},
           title = {Effects of variable thickness and imperfection on nonlinear buckling of Sigmoid-functionally graded cylindrical panels},
          author = {Toan Thang Pham and Dinh Duc Nguyen and Thoi Trung Nguyen},
            year = {2016},
           pages = {99--106},
         journal = {J. Composite Structures},
             url = {https://eprints.uet.vnu.edu.vn/eprints/id/eprint/2418/}
}