Spherical conformal models for compact stars P. Mafa Takisa, S. D. Maharaj, A. M. Manjonjo and S. Moopanar Eur. Phys. J. C, 77 10 (2017) 713 Published online: 26 October 2017 DOI: 10.1140/epjc/s10052-017-5293-8