TY  - RPRT
TI  - Spectral function in the two-dimensional Hubbard model.
AU  - Q Li
AU  - J Callaway
AU  - L Tan
PY  - 1991
DO  - 10.1103/physrevb.44.10256
UR  - https://pubmed.ncbi.nlm.nih.gov/9999032/
ID  - 9999032
ER  -