@article{JETPL.113.683,
    title = {Optical Phonon Spectrum of the Ge2Sb2Te5 Single Crystal},
    author = {Talochkin, A. B. and Kokh, K. A. and Tereshchenko, O. E.},
    journal = {JETP Lett.},
    volume = {113},
    issue = {10},
    pages = {651},
    year = {2021},
    doi = {10.1134/S002136402110012X},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567821100086},
    note = {[Pisma v ZhETF 113, 683 (2021)]}
}