Bright spatial solitons in quintic-septimal nonlinear media with two families of PT-symmetric potentialsYi-Xiang Chen, Fang-Qian Xu and Yi-Liang HuEur. Phys. J. Plus, 132 12 (2017) 533DOI: https://doi.org/10.1140/epjp/i2017-11816-x