@article{PismaZhETF.54.121,
    title = {Contribution of the quark-gluon operator to the effective $\Delta$ S=1 nonleptonic Hamiltonian with $m_t$ ~ $M_w$},
    author = {Penin, A. A. and Pivovarov, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {54},
    issue = {3},
    pages = {121},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18099.shtml},
}