@article{PismaZhETF.19.454,
    title = {Condensation in a system of polarons or fluctuons with formation of an inhomogeneous state, and singularities of the conductivity},
    author = {Krivoglaz, M. A. and Karasevskii, A. I.},
    journal = {Письма в ЖЭТФ},
    volume = {19},
    issue = {7},
    pages = {454},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27056.shtml},
}