@article{PismaZhETF.74.387,
    title = {Low temperature relation for the trace of the energy-momentum tensor in QCD with light quarks},
    author = {Agasian, N. O.},
    journal = {Письма в ЖЭТФ},
    volume = {74},
    issue = {7},
    pages = {387},
    year = {2001},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_15869.shtml},
}