@article{JETPL.115.762,
    title = {Does a Form Factor in Smith?Purcell Radiation Exist Always?},
    author = {Sergeeva, D. Yu. and Tishchenko, A. A.},
    journal = {JETP Lett.},
    volume = {115},
    issue = {12},
    pages = {713},
    year = {2022},
    doi = {10.1134/S0021364022600847},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567822120035},
    note = {[Pisma v ZhETF 115, 762 (2022)]}
}