[1]
O. González Gaxiola, A. Biswas, A. K. Alzahrani, and M. R. Belic, “Optical soliton perturbation with spatio-temporal dispersion having Kerr law nonlinearity by the variational iteration method”, Rev. Mex. Fís., vol. 66, no. 4 Jul-Aug, pp. 404–410, Jul. 2020.