A method based on a nonlinear generalized Heisenberg algebra to study the molecular vibrational spectrumJ. de Souza, N. M. Oliveira-Neto and C. I. Ribeiro-SilvaEur. Phys. J. D, 40 2 (2006) 205-210DOI: https://doi.org/10.1140/epjd/e2006-00155-6