@article{PismaZhETF.23.391,
    title = {Spatial coherence produced in laser radiation on passing through the generation threshold},
    author = {Akhmanov, S. A. and Pakhalov, V. B. and Chirkin, A. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {23},
    issue = {7},
    pages = {391},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27532.shtml},
}