@article{PismaZhETF.53.87,
    title = {Instability of a state of a quantum Hall effect in 2D spin systems},
    author = {Khlebnikov, S. Yu.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {53},
    issue = {2},
    pages = {87},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17361.shtml},
}