Nonlocal size dependency in nonlinear instability of axially loaded exponential shear deformable FG-CNT reinforced nanoshells under heat conductionS. Sahmani and A. M. FattahiEur. Phys. J. Plus, 132 5 (2017) 231DOI: https://doi.org/10.1140/epjp/i2017-11497-5