Neuro-evolutionary computing paradigm for Painlevé equation-II in nonlinear opticsIftikhar Ahmad, Sufyan Ahmad, Muhammad Awais, Siraj Ul Islam Ahmad and Muhammad Asif Zahoor RajaEur. Phys. J. Plus, 133 5 (2018) 184DOI: https://doi.org/10.1140/epjp/i2018-12013-3