@article{JETPL.112.189,
    title = {Phase Transitions in Frustrated Slightly Nonstoichiometric ErBaCo4O7 + x (x ≈ 0 and 0.03) Cobaltites},
    author = {Kazei, Z. A. and Snegirev, V. V. and Stolyarenko, M. S.},
    journal = {JETP Lett.},
    volume = {112},
    issue = {3},
    pages = {180},
    year = {2020},
    doi = {10.1134/S0021364020150059},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567820150082},
    note = {[Pisma v ZhETF 112, 189 (2020)]}
}