@article{PismaZhETF.85.188,
    title = {Optical echo in photonic crystals},
    author = {Antipov, A. E. and Rubtsov, A. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {85},
    issue = {3},
    pages = {188},
    year = {2007},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16378.shtml},
}