@article{PismaZhETF.57.777,
    title = {Adiabatic transition of the pump into second optical harmonic},
    author = {Baranova, N. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {57},
    issue = {12},
    pages = {777},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18161.shtml},
}