@article{perez rojas_villegas-lelovski_2000,  title={Bose-Einstein condensation in a constant magnetic field},  volume={30},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332000000200024},  DOI={10.1590/S0103-97332000000200024},  number={2},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Perez Rojas, H. and Villegas-Lelovski, L.},  year={2000},  month={Jun},  pages={410–418} }