ZELAYA, K. Time-dependent mass oscillators: constants of motion and semiclasical states. Acta Polytechnica, [S. l.], v. 62, n. 1, p. 211–221, 2022. DOI: 10.14311/AP.2022.62.0211. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/7718. Acesso em: 3 may. 2024.