Localized structures of the (3+1)-dimensional nonlinear Schrödinger equation with different diffractions and power-law nonlinearities in PT-symmetric potentialsLi-Hua Wang, Ji-Tao Li, Shao-Feng Li and Quan-Tao LiuEur. Phys. J. Plus, 131 6 (2016) 211DOI: https://doi.org/10.1140/epjp/i2016-16211-7