@article{JETPL.121.137,
    title = {Mass of Magnetic Monopoles and the Magnetic Susceptibility of Spin Ice},
    author = {Ryzhkin, M. I. and Ryzhkin, I. A.},
    journal = {JETP Lett.},
    volume = {121},
    issue = {2},
    pages = {126},
    year = {2025},
    doi = {10.1134/S0021364024605104},
    url = {http://jetpletters.ru/ps/dx/10.31857/S0370274X25010208},
    note = {[Pisma v ZhETF 121, 137 (2025)]}
}