@article{PismaZhETF.12.338,
    title = {Instability of Inhomogeneous beformation and of Carrier Density in a Semiconductor, Induced by a deformation Potential},
    author = {Pekar, S. I. and Pina, V. I. and Piskovoi, V. N.},
    journal = {Письма в ЖЭТФ},
    volume = {12},
    issue = {6},
    pages = {338},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26298.shtml},
}