TY - JOUR AU - D. V. Turtin AU - M. A. Stepovich AU - V. V. Kalmanovich TI - On the application of the qualitative theory of differential equations to a problem of heat and mass transfer JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2023 SP - 48 EP - 57 VL - 23 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2023_23_1_a4/ LA - ru ID - ISU_2023_23_1_a4 ER -