@article{PismaZhETF.21.427,
    title = {Resonant four-photon parametric processes in Ne in the field of a single-frequency He-Ne laser, and their use in nonlinear spectroscopy},
    author = {Im Thek-de,  and Podavalova, O. P. and Popov, A. K. and Tartakovskii, G. Kh.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {21},
    issue = {7},
    pages = {427},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22449.shtml},
}