TY - JOUR AU - S. E. Pastukhova TI - Approximation of the Exponential of a Diffusion Operator with Multiscale Coefficients JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2014 SP - 34 EP - 51 VL - 48 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2014_48_3_a3/ LA - ru ID - FAA_2014_48_3_a3 ER -