%0 Journal Article %A D. V. Turtin %A M. A. Stepovich %A V. V. Kalmanovich %T On the application of the qualitative theory of differential equations to a problem of heat and mass transfer %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2023 %P 48-57 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2023_23_1_a4/ %G ru %F ISU_2023_23_1_a4