@article{PismaZhETF.9.103,
    title = {Role of field Intensity and Structure of the Atom in the process of Multiphoton Ionization},
    author = {Delone, S. A and Delone, N. B. and Donskaya, N. P. and Petrosyan, K. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {9},
    issue = {2},
    pages = {103},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25284.shtml},
}