Bonatsos, Dennis, C. Daskaloyannis, P. Kolokotronis, and D. Lenis. “Nonlinear Extension of the u(3) Algebra As the Symmetry Algebra of the Three-Dimensional Anisotropic Quantum Harmonic Oscillator With Rational Ratios of Frequencies and the Nilsson Model”. HNPS Advances in Nuclear Physics 5 (February 19, 2020): 14–28. Accessed May 19, 2024. https://eproceedings.epublishing.ekt.gr/index.php/hnps/article/view/2891.