%0 Journal Article %A S. E. Pastukhova %T Approximation of the Exponential of a Diffusion Operator with Multiscale Coefficients %J Funkcionalʹnyj analiz i ego priloženiâ %D 2014 %P 34-51 %V 48 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2014_48_3_a3/ %G ru %F FAA_2014_48_3_a3