@article{PismaZhETF.45.299,
    title = {Solitons in Josephson superlattices},
    author = {Volkov, A. F.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {45},
    issue = {6},
    pages = {299},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18755.shtml},
}