TY  - RPRT
TI  - Dynamical symmetry and exact solvability.
AU  - G Ghosh
AU  - TK Roy
AU  - R Gangopadhyay
PY  - 1987
DO  - 10.1103/physreva.36.1449
UR  - https://pubmed.ncbi.nlm.nih.gov/9899006/
ID  - 9899006
ER  -