TY JOUR TI On the correctness of mathematical models of diffusion and cathodoluminescence KW mathematical model KW stationary differential heat and mass transfer equation KW ordinary differential equations KW Cauchy problem KW cathodoluminescence JO TAURIDA JOURNAL OF COMPUTER SCIENCE THEORY AND MATHEMATICS AU Turtin, D.V. AU Stepovich, M.A. AU Kalmanovich, V.V. AU Kartanov, A.A. PY 2022 IS 0 PB V.I. Vernadsky Crimean Federal University