TY  - RPRT
TI  - Comment on "Four-parameter exactly solvable potential for diatomic molecules"
AU  - GA Natanson
PY  - 1991
DO  - 10.1103/physreva.44.3377
UR  - https://pubmed.ncbi.nlm.nih.gov/9906346/
ID  - 9906346
ER  -