Anisotropic generalization of charged isotropic spheres with double equation of state S. Thirukkanesh, Sunil D. Maharaj and Ranjan Sharma Eur. Phys. J. C, 84 8 (2024) 872 Published online: 30 August 2024 DOI: 10.1140/epjc/s10052-024-13199-2