GRYPEOS, M. E.; LIOLIOS, T. E. Approximate Determination of the ground-state Schroedinger Eigenfunction by Means of the Hypervirial Theorems Technique. HNPS Advances in Nuclear Physics, [S. l.], v. 7, p. 56–62, 2019. DOI: 10.12681/hnps.2397. Disponível em: https://eproceedings.epublishing.ekt.gr/index.php/hnps/article/view/2397. Acesso em: 2 may. 2024.