Hristov J. Magnetic field diffusion in ferromagnetic materials: fractional calculus approaches. Int. J. Optim. Control, Theor. Appl. (IJOCTA) [Internet]. 2021 Aug. 17 [cited 2025 Jan. 5];11(3):1-15. Available from: http://ijocta.org/index.php/files/article/view/1100