@article{PismaZhETF.53.444,
    title = {Excitonic insulator in a magnetized quasi-2D plasma},
    author = {Butov, L. V. and Kulakovskii, V. D.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {53},
    issue = {9},
    pages = {444},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17622.shtml},
}