TY  - RPRT
TI  - Fock-space coupled-cluster method: The (1,2) sector.
AU  - SR Hughes
AU  - U Kaldor
PY  - 1993
DO  - 10.1103/physreva.47.4705
UR  - https://pubmed.ncbi.nlm.nih.gov/9909496/
ID  - 9909496
ER  -