Design of neuro-swarming-based heuristics to solve the third-order nonlinear multi-singular Emden–Fowler equationZulqurnain Sabir, Muhammad Asif Zahoor Raja, Muhammad Umar and Muhammad ShoaibEur. Phys. J. Plus, 135 5 (2020) 410DOI: https://doi.org/10.1140/epjp/s13360-020-00424-6