@article{PismaZhETF.91.334,
    title = {Energy gaps at  neutrality point in bilayer graphene in a magnetic field},
    author = {Gorbar, E. V. and Gusynin, V. P. and Miransky, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {91},
    issue = {6},
    pages = {334},
    year = {2010},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_28781.shtml},
}