TY - JOUR AU - V. M. Tyurin TI - On the Equivalence of Spectra of Linear Partial Differential Operators in Certain Function Spaces JO - Matematičeskie zametki PY - 2002 SP - 909 EP - 917 VL - 72 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2002_72_6_a10/ LA - ru ID - MZM_2002_72_6_a10 ER -