@misc{indiciae5d55f68e4ed5,
  title = {Dynamical symmetry and exact solvability.},
  author = {G Ghosh and TK Roy and R Gangopadhyay},
  year = {1987},
  doi = {10.1103/physreva.36.1449},
  url = {https://pubmed.ncbi.nlm.nih.gov/9899006/},
  note = {Source identifier: 9899006}
}