@article{PismaZhETF.86.769,
    title = {Cluster Dual Fermion Approach to Nonlocal Correlations},
    author = {Hafermann, H. and Brener, S. and Rubtsov, A. N. and Katsnelson, M. I. and Lichtenstein, M. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {86},
    issue = {10},
    pages = {769},
    year = {2007},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27932.shtml},
}