@article{JETPL.112.493,
    title = {?? ? ???0?? and e+e? ? ?+?? Processes in the Chiral Nambu?Jona-Lasinio Model Including the Interaction of Pions in the Final State},
    author = {Volkov, M. K. and Arbuzov, A. B. and Pivovarov, A. A.},
    journal = {JETP Lett.},
    volume = {112},
    issue = {8},
    pages = {457},
    year = {2020},
    doi = {10.1134/S0021364020200138},
    url = {http://jetpletters.ru/ps/dx/10.31857/S123456782020001X},
    note = {[Pisma v ZhETF 112, 493 (2020)]}
}