@article{PismaZhETF.80.875,
    title = {Transitions between $\pi$- and $0$-states  in superconductor~-- ferromagnet -- superconductor junctions},
    author = {Chtchelkatchev, N. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {80},
    issue = {12},
    pages = {875},
    year = {2004},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_8736.shtml},
}