Torres del Castillo, G. and Tepper García, T. (2002) “Supersymmetry and the constants of motion of the two-dimensional isotropic harmonic oscillator”, Revista Mexicana de Física, 48(1), pp. 16–0. Available at: https://rmf.smf.mx/ojs/index.php/rmf/article/view/3026 (Accessed: 5 July 2024).