Optical soliton perturbation with parabolic–nonlocal combo nonlinearity: undetermined coefficients and semi-inverse variational principle

by Vega-Guzman, Jose, Biswas, Anjan, Asma, Mir, Seadawy, Aly R., Ekici, Mehmet, Alzahrani, Abdullah Khamis, Belic, Milivoj R.
Published 2022