Anisotropic generalization of isotropic models via hypergeometric equation R. N. Nasheeha, S. Thirukkanesh and F. C. Ragel Eur. Phys. J. C, 80 1 (2020) 6 Published online: 03 January 2020 DOI: 10.1140/epjc/s10052-019-7570-1