@article{JETPL.113.495,
    title = {Generation of an Array of Birefringent Nanogratings in the Bulk of Fluorite Irradiated by Ultrashort Laser Pulses with Different Durations},
    author = {Kudryashov, S. I. and Danilov, P. A. and Smaev, M. P. and Rupasov, A. E. and Zolot?ko, A. S. and Ionin, A. A. and Zakoldaev, R. A.},
    journal = {JETP Lett.},
    volume = {113},
    issue = {8},
    pages = {493},
    year = {2021},
    doi = {10.1134/S0021364021080075},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567821080012},
    note = {[Pisma v ZhETF 113, 495 (2021)]}
}