Rising and lowering operator approach to the problem of a charged particle in a uniform magnetic fieldV. G. Ibarra-Sierra, J. C. Sandoval-Santana, D. Velasco-Martínez, J. L. Cardoso and A. KunoldEur. Phys. J. Plus, 135 2 (2020) 149DOI: https://doi.org/10.1140/epjp/s13360-020-00172-7