@article{PismaZhETF.80.416,
    title = {State-dependent dynamical variables in quantum theory},
    author = {Leifer, P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {80},
    issue = {5},
    pages = {416},
    year = {2004},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_6236.shtml},
}