TY  - RPRT
TI  - Canonical transformation theory for multireference problems.
AU  - Takeshi Yanai
AU  - Garnet Kin-Lic Chan
PY  - 2006
DO  - 10.1063/1.2196410
UR  - https://pubmed.ncbi.nlm.nih.gov/16729802/
ID  - 16729802
ER  -