@article{PismaZhETF.43.355,
    title = {Heterotic string in superspace},
    author = {Kallosh, R. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {43},
    issue = {8},
    pages = {355},
    year = {1986},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21348.shtml},
}