@article{espinoza ortiz_egydio de carvalho_2001, title={Energy spectrum and eigenfunctions through the Quantum Section Method}, volume={31}, ISSN={0103-9733}, url={https://doi.org/10.1590/S0103-97332001000400003}, DOI={10.1590/S0103-97332001000400003}, number={4}, journal={Brazilian Journal of Physics}, publisher={Sociedade Brasileira de Física}, author={Espinoza Ortiz, J.S. and Egydio de Carvalho, R.}, year={2001}, month={Dec}, pages={538–545} }