@article{PismaZhETF.48.387,
    title = {Theory of exchange symmetry},
    author = {Marchenko, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {48},
    issue = {7},
    pages = {387},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16746.shtml},
}