@article{wang_song_2010,  title={Analysis of an impulsive pest management SEI model with nonlinear incidence rate},  volume={29},  ISSN={1807-0302},  url={https://doi.org/10.1590/S1807-03022010000100001},  DOI={10.1590/S1807-03022010000100001},  number={1},  journal={Computational & Applied Mathematics},  publisher={Sociedade Brasileira de Matemática Aplicada e Computacional},  author={Wang, Xia and Song, Xinyu},  year={2010},  pages={1–17} }