@article{PismaZhETF.3.345,
    title = {Effect of Retarded Interaction on the Exciton Spectrum in One-dimensional and Two-dimensional Crystals},
    author = {Agranovich, V. M. and Dubovskii, O. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {3},
    issue = {9},
    pages = {345},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24767.shtml},
}