Williams, C.L., Pandya, N.N., Bodmann, B.G. and Kouri, D.J. Coupled Supersymmetry and Ladder Structures Beyond the Harmonic Oscillator. Mol. Phys. 2018
doi: 10.1080/00268976.2018.1473655
When the article was first published online, there was an additional minus sign in equation 10.
The correct equation is
(10)
The authors apologize for this error.