TY  - RPRT
TI  - Comment on "Iterative Bogoliubov transformations and anharmonic oscillators"
AU  - FM Fernández
AU  - EA Castro
PY  - 1993
DO  - 10.1103/physreva.48.3398
UR  - https://pubmed.ncbi.nlm.nih.gov/9909999/
ID  - 9909999
ER  -