@article{JETPL.114.762,
    title = {Phase Transitions and the Magnetic Properties of the Potts Model with Four Spin States on a Hexagonal Lattice in Low Magnetic Fields},
    author = {Ramazanov, M. K. and Murtazaev, A. K. and Magomedov, M. A. and Mazagaeva, M. K.},
    journal = {JETP Lett.},
    volume = {114},
    issue = {11},
    pages = {693},
    year = {2021},
    doi = {10.1134/S0021364021230119},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567821230075},
    note = {[Pisma v ZhETF 114, 762 (2021)]}
}