%0 Journal Article %A V. V. Kalmanovich %A M. A. Stepovich %T Application of generalized Bers degrees, the matrix method, and the Fourier method for solving the nonstationary heat equation in a multilayer medium %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2021 %P 50-59 %V 199 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2021_199_a5/ %G ru %F INTO_2021_199_a5