@article{JETPL.111.772,
    title = {Edge States of an Excitonic Insulator with the Spin?Orbit Interaction},
    author = {Val?kov, V. V.},
    journal = {JETP Lett.},
    volume = {111},
    issue = {11},
    pages = {647},
    year = {2020},
    doi = {10.1134/S0021364020110107},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567820110099},
    note = {[Pisma v ZhETF 111, 772 (2020)]}
}