@article{PismaZhETF.19.742,
    title = {Positive curvature in the dependence of $H_{c2}$ on T in layered semiconductors-consequence of Josephson interaction between layers},
    author = {Bulaeyskii, L. N. and Guseinov, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {19},
    issue = {12},
    pages = {742},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27135.shtml},
}