Anisotropic generalization of well-known solutions describing relativistic self-gravitating fluid systems: an algorithmS. Thirukkanesh, F. C. Ragel, Ranjan Sharma and Shyam DasEur. Phys. J. C, 78 1 (2018) 31DOI: https://doi.org/10.1140/epjc/s10052-018-5526-5