TY  - RPRT
TI  - Auxiliary-space variational approach for the U=
AU  - VY Krivnov
AU  - AA Ovchinnikov
PY  - 1992
DO  - 10.1103/physrevb.45.12996
UR  - https://pubmed.ncbi.nlm.nih.gov/10001365/
ID  - 10001365
ER  -