TY  - RPRT
TI  - Hubbard model for a cubic cluster.
AU  - J Callaway
AU  - DP Chen
AU  - Y Zhang
PY  - 1987
DO  - 10.1103/physrevb.36.2084
UR  - https://pubmed.ncbi.nlm.nih.gov/9943052/
ID  - 9943052
ER  -