%0 Journal Article %A V. M. Tyurin %T On the Equivalence of Spectra of Linear Partial Differential Operators in Certain Function Spaces %J Matematičeskie zametki %D 2002 %P 909-917 %V 72 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2002_72_6_a10/ %G ru %F MZM_2002_72_6_a10