@article{PismaZhETF.46.359,
    title = {Structural transition in $YBa_2Cu_3O_7$},
    author = {Somenkov, V. A. and Glazkov, V. P. and Ivanov, A. S. and Irodova, A. V. and Laskova, G. V. and Mitrofanov, N. L. and Rumyantsev, A. Yu. and Somenkova, V. P. and Shil'shtein, S. Sh.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {46},
    issue = {9},
    pages = {359},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18611.shtml},
}