Motion of particles and gravitational lensing around the (2+1)-dimensional BTZ black hole in Gauss–Bonnet gravityBakhtiyor Narzilloev, Sanjar Shaymatov, Ibrar Hussain, Ahmadjon Abdujabbarov, Bobomurat Ahmedov and Cosimo BambiEur. Phys. J. C, 81 9 (2021) 849DOI: https://doi.org/10.1140/epjc/s10052-021-09617-4