@article{PismaZhETF.52.1021,
    title = {Monte Carlo study of the energy spectrum of strongly correlated electron systems},
    author = {Berkov, D. V. and Meshkov, S. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {7},
    pages = {1021},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17526.shtml},
}