@article{PismaZhETF.59.240,
    title = {Second harmonic of the longitudinal nonlinear response of slightly doped $La_2CuO_{4+\delta}$ single crystals and new features of the phase separation},
    author = {Ryzhov, V. A. and Lazuta, A. V. and Larionov, I. I. and Arbuzova, T. I. and Kurnevich, L. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {59},
    issue = {4},
    pages = {240},
    year = {1994},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19607.shtml},
}