IBRAGIMOV, U.; KURAKBAYEV, D.; ORAZOV, I.; NYSSANOV, E. ABOUT ONE INVARIANT MULTIVALUED MAPPING IN THE TASK OF THERMAL CONDUCTIVITY WITH TIME DELAY. Известия НАН РК. Серия физико-математическая, [S. l.], n. 2, p. 58–66, 2020. Disponível em: http://189185.vm7pq.group/physics-mathematics/article/view/401. Acesso em: 18 янв. 2025.