KHARIN, S.; NAURYZ, T. TWO-PHASE STEFAN PROBLEM FOR GENERALIZED HEAT EQUATION. Известия НАН РК. Серия физико-математическая, [S. l.], n. 2, p. 40–49, 2020. Disponível em: http://91834.libg.asia/physics-mathematics/article/view/399. Acesso em: 22 фев. 2025.