Wave propagation characteristics of a cylindrical laminated composite nanoshell in thermal environment based on the nonlocal strain gradient theoryHamed Safarpour, Seyed Ali Ghanizadeh and Mostafa HabibiEur. Phys. J. Plus, 133 12 (2018) 532DOI: https://doi.org/10.1140/epjp/i2018-12385-2