@article{garcía_marín_mikhailov_2006,  title={Negatively charged donors in flat quantum dots},  volume={36},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332006000600021},  DOI={10.1590/S0103-97332006000600021},  number={3b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={García, Luis F. and Marín, Jairo H. and Mikhailov, Ilia D.},  year={2006},  month={Sep},  pages={878–881} }