%0 Journal Article %A S. E. Kholodovskii %T On solving problems of heat and mass transfer in piecewise homogeneous regions with a weakly permeable film %J Čelâbinskij fiziko-matematičeskij žurnal %D 2021 %P 312-320 %V 6 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHFMJ_2021_6_3_a4/ %G ru %F CHFMJ_2021_6_3_a4