@article{PismaZhETF.56.425,
    title = {Effect of the bistable behavior of the apical oxygen atom on the superconducting transition in $YBa_2Cu_3O_{7-\delta}$},
    author = {Saiko, A. P. and Gusakov, V. E. and Kuz'min, V. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {56},
    issue = {8},
    pages = {425},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19512.shtml},
}