@article{PismaZhETF.36.318,
    title = {Hamiltonian formulation of the second-order drift equations of motion},
    author = {Stupakov, G. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {36},
    issue = {9},
    pages = {318},
    year = {1982},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20188.shtml},
}