TY  - RPRT
TI  - Two-dimensional negative-U Hubbard model.
AU  - A Moreo
AU  - DJ Scalapino
PY  - 1991
DO  - 10.1103/physrevlett.66.946
UR  - https://pubmed.ncbi.nlm.nih.gov/10043947/
ID  - 10043947
ER  -