TY  - RPRT
TI  - Modular symmetry in parametrically excited quantum oscillators.
AU  - DI Fivel
PY  - 1993
DO  - 10.1103/physrevlett.71.3617
UR  - https://pubmed.ncbi.nlm.nih.gov/10055029/
ID  - 10055029
ER  -