@article{PismaZhETF.10.413,
    title = {Influence of Multiphoton Resonance on the Multiphoton Ionization Process},
    author = {Delone, G. A. and Delone, N. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {10},
    issue = {9},
    pages = {413},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26772.shtml},
}