@article{PismaZhETF.19.391,
    title = {Self-contraction of laser pulses in molecular rubidium vapor},
    author = {Nagibarov, V. R. and Pirozhkov, A. V. and Samartsev, V. V. and Usmanov, R. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {19},
    issue = {6},
    pages = {391},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27021.shtml},
}