@article{PismaZhETF.113.789,
    title = {Super-Penrose process for nonextremal black holes},
    author = {Zaslavskii, O. B.},
    journal = {Письма в ЖЭТФ},
    volume = {113},
    issue = {12},
    pages = {789},
    year = {2021},
    doi = {10.31857/S123456782112003X},
    url = {http://jetpletters.ru/ps/dx/10.31857/S123456782112003X},
    note = {[JETP Letters 113, 757 (2021)]}
}