Lump and lump strip solutions to the (3 + 1)-dimensional generalized Kadomtsev-Petviashvili equationXue Guan, Qin Zhou and Wenjun LiuEur. Phys. J. Plus, 134 7 (2019) 371DOI: https://doi.org/10.1140/epjp/i2019-12719-6