Realistic stellar anisotropic model satisfying Karmarker condition in f(R, T) gravity G. Mustafa, M. Zubair, Saira Waheed and Xia Tiecheng Eur. Phys. J. C, 80 1 (2020) 26 Published online: 11 January 2020 DOI: 10.1140/epjc/s10052-019-7588-4