@article{JETPL.111.244,
    title = {Transition Mechanism from Semimetallic to Semiconductor Behavior in a Graphene Film at the Formation of a Multiply Connected Structure},
    author = {Chernozatonskii, L. A. and Antipina, L. Yu. and Kvashnin, D. G.},
    journal = {JETP Lett.},
    volume = {111},
    issue = {4},
    pages = {235},
    year = {2020},
    doi = {10.1134/S0021364020040074},
    url = {http://jetpletters.ru/ps/dx/10.31857/S0370274X20040086},
    note = {[Pisma v ZhETF 111, 244 (2020)]}
}