TY - JOUR AU - M. A. Poteryakhin TI - Normal forms near an invariant torus and the asymptotic eigenvalues of the operator $\langle V,\nabla\rangle-\epsilon\Delta$ JO - Matematičeskie zametki PY - 2005 SP - 152 EP - 156 VL - 77 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2005_77_1_a13/ LA - ru ID - MZM_2005_77_1_a13 ER -