D. Millan, F. Fonseca
      The solution of the truncated harmonic oscillator using Lie groups
      Advanced Studies in Theoretical Physics, Vol. 11, 2017, no. 7, 327-335
      https://doi.org/10.12988/astp.2017.7521
Copyright © 2017 D. Millan and F. Fonseca. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.