@article{JETPL.121.633,
    title = {Double-Frequency Doppler-Free Spectroscopy of 87Rb Atoms},
    author = {Velichansky, V. L. and Sabakar, K. M. and Fedorov, A. S. and Tsygankov, E. A. and Chuchelov, D. S. and Vaskovskaya, M. I. and Vasiliev, V. V. and Zibrov, S. A.},
    journal = {JETP Lett.},
    volume = {121},
    issue = {8},
    pages = {602},
    year = {2025},
    doi = {10.1134/S0021364025605615},
    url = {http://jetpletters.ru/ps/dx/10.31857/S0370274X25040147},
    note = {[Pisma v ZhETF 121, 633 (2025)]}
}