The physical acceptability conditions and the strategies to obtain anisotropic compact objects Daniel Suárez-Urango, Laura M. Becerra, Justo Ospino and Luis A. Núñez Eur. Phys. J. C, 83 11 (2023) 1018 Published online: 09 November 2023 DOI: 10.1140/epjc/s10052-023-12175-6