@techreport{A-SB24,
  title={Extending nonstandard finite difference schemes rules to systems of nonlinear ODEs with constant coefficients},
  author={Marc Songolo and Brigitte Bidegaray-Fesquet},
  journal={Journal of Difference Equations and Applications},
  volume={30},
  number={5},
  pages={577-602},
  year={2024}

}