(1)
A. S. Kovalev, Nonlinear dynamics of magnetic multilayers and low-dimensional magnets. I. Easy-plane magnetic anisotropy, Low Temp. Phys. 49, 1122–1136, (2023) [Fiz. Nyzk. Temp. 49, 1237–1251, (2023)] DOI: https://doi.org/10.1063/10.0020866.