@article{PismaZhETF.41.483,
    title = {Higher-order derivatives in the interaction},
    author = {Voronov, B. L. and Tyutin, I. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {41},
    issue = {11},
    pages = {483},
    year = {1985},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22408.shtml},
}