@article{barba_cabral_aguiar_2006,  title={Superconducting properties of mesoscopic squares},  volume={36},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332006000600061},  DOI={10.1590/S0103-97332006000600061},  number={3b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Barba, José J. and Cabral, L. R. E and Aguiar, J. Albino},  year={2006},  month={Sep},  pages={1029–1031} }