TY  - RPRT
TI  - Extended Hubbard model: A cluster effective-medium approach.
AU  - RE Lagos
AU  - GA Lara
AU  - GG Cabrera
PY  - 1993
DO  - 10.1103/physrevb.47.12445
UR  - https://pubmed.ncbi.nlm.nih.gov/10005437/
ID  - 10005437
ER  -