@article{PismaZhETF.23.577,
    title = {Conservation of spatial coherence of Stokes beams amplified in a multimode pumping field},
    author = {Betin, A. A. and Pasmanik, G. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {23},
    issue = {10},
    pages = {577},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27582.shtml},
}