@article{PismaZhETF.73.159,
    title = {Superconducting energy gap in Bi$_2$Sr$_2$Ca$_2$Cu$_3$O$_{10+\delta}$ (Bi2223) single crystals},
    author = {Vedeneev, S. I. and Stepanov, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {73},
    issue = {3},
    pages = {159},
    year = {2001},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_9680.shtml},
}