Choi CH, Cho YJ, Yi HS, Choi SD. Convergence of continued-fraction representation for the Green's function in the Hubbard model.
PHYSICAL REVIEW. E, STATISTICAL PHYSICS, PLASMAS, FLUIDS, AND RELATED INTERDISCIPLINARY TOPICS 1995;
52:3221-3223. [PMID:
9963770 DOI:
10.1103/physreve.52.3221]
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