@article{Biswas2021431,
  title = {Cubic-quartic optical soliton perturbation with Fokas–Lenells equation by semi-inverse variation},
  author = {A. Biswas and A. Dakova and S. Khan and M. Ekici and L. Moraru and M.R. Belic},
  journal = {Semiconductor Physics, Quantum Electronics & Optoelectronics},
  year = {2021},
  volume = {24},
  number = {4},
  pages = {431-435},
  doi = {10.15407/spqeo24.04.431},
  keywords = {csoliton, cubic-quartic, perturbation, Fokas–Lenells equation.},
  abstract = {This paper recovers cubic-quartic bright optical solitons with perturbed Fokas–Lenells equation. The Hamiltonian perturbation terms appear with maximal permissible intensity. The semi-inverse variational principle is employed to retrieve such solitons.}
}