@article{PismaZhETF.24.441,
    title = {Contactless method of observing superconductivity in inhomogeneous media},
    author = {Zavoiskii, E. K.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {24},
    issue = {7},
    pages = {441},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27742.shtml},
}