A new heuristic computational solver for nonlinear singular Thomas–Fermi system using evolutionary optimized cubic splinesSiraj ul Islam Ahmad, Fawad Faisal, Muhammad Shoaib and Muhammad Asif Zahoor RajaEur. Phys. J. Plus, 135 1 (2020) 55DOI: https://doi.org/10.1140/epjp/s13360-019-00066-3