@article{PismaZhETF.28.689,
    title = {Polarization properties of photon echo at small areas of the exciting pulses},
    author = {Evseev, I. V. and Ermachenko, V. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {28},
    issue = {11},
    pages = {689},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24259.shtml},
}