Comment on “Propagator of the Fokker-Planck equation with a linear force — Lie-algebraic approach” by C. F. LoP. Demo, A. M. Sveshnikov and Z. KožíšekEurophys. Lett., 50 2 (2000) 278-279DOI: https://doi.org/10.1209/epl/i2000-00266-0