Semi-exact solutions to position-dependent mass Schrödinger problem with a class of hyperbolic potential V0tanh(ax)Shishan Dong, Guo-Hua Sun, B. J. Falaye and Shi-Hai DongEur. Phys. J. Plus, 131 5 (2016) 176DOI: https://doi.org/10.1140/epjp/i2016-16176-5