TY  - RPRT
TI  - Black-hole normal modes and quantum anharmonic oscillator.
AU  - OB Zaslavskii
PY  - 1991
DO  - 10.1103/physrevd.43.605
UR  - https://pubmed.ncbi.nlm.nih.gov/10013421/
ID  - 10013421
ER  -