Investigation of the Infinite Discrete Levels from Finite Discrete Levels in Position Dependent Mass Quantum Systems. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 15, n. 1, p. 238–248, 2022. DOI: 10.29020/nybg.ejpam.v15i1.4190. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4190. Acesso em: 3 dec. 2024.