TY  - RPRT
TI  - Improved Hamiltonian variational technique for lattice models.
AU  - E Dagotto
AU  - A Moreo
PY  - 1985
DO  - 10.1103/physrevd.31.865
UR  - https://pubmed.ncbi.nlm.nih.gov/9955766/
ID  - 9955766
ER  -