TANRIVERDIYEV, V. Local spin excitations in the rectangular ferromagnetic. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, Харків, Україна, v. 41, n. 4, p. 363–367, 2015. DOI: 10.1063/1.4916073 . Disponível em: http://80.92.230.95/index.php/fnt/article/view/f41-0363e. Acesso em: 11 лис. 2025.