@article{PismaZhETF.52.854,
    title = {Synthesis of single-domain superconductor $TmBa_2Cu_{3-x}O_{7-x}$ and its  atomic structure},
    author = {Voronkova, V. I. and Yanovskii, V. K. and Molchanov, V. N. and Sorokina, N. I. and Simonov, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {4},
    pages = {854},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17479.shtml},
}