A. Surzhikov, A. Malyshev, E. Lysenko, and O. Stary, “TEMPERATURE DEPENDENCES OF THE INITIAL PERMEABILITY OF LITHIUM-TITANIUM FERRITES PRODUCED BY SOLID-STATE SINTERING IN THERMAL AND RADIATION-THERMAL MODES”, Eurasian phys. tech. j., vol. 19, no. 1(39), pp. 5–9, Mar. 2022.