Mamica S. Vortices in two-dimensional nanorings studied by means of the dynamical matrix method. Fiz. Nizk. Temp. [інтернет]. 20, Серпень 2015 [цит. за 10, Листопад 2025];41(10):1030-42. доступний у: http://80.92.230.95/index.php/fnt/article/view/f41-1030e