@article{PismaZhETF.52.1089,
    title = {Transition temperature of a superconductor-ferromagnet superlattice},
    author = {Buzdin, A. I. and Kupriyanov, M. Yu.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {9},
    pages = {1089},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17543.shtml},
}