Spectra of Collective Excitations and Low-Frequency Asymptotics of Green’s Functions in Uniaxial and Biaxial Ferrimagnetics. East Eur. J. Phys. [Internet]. 2019 Mar. 14 [cited 2026 Oct. 25];(1):46-54. Available from: https://periodicals.karazin.ua/eejp/article/view/12398