@article{PismaZhETF.44.431,
    title = {Experimental study of the time evolution of the decay of Bragg modes of the collective nuclear excitations in the crystal},
    author = {Smirnov, G. V. and Shvyd'ko, Yu. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {44},
    issue = {9},
    pages = {431},
    year = {1986},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21175.shtml},
}