%0 Journal Article %A G. V. Rozenblum %T Near-similarity of operators and the spectral asymptotic behavior of pseudodifferential operators on the circle %J Trudy Moskovskogo matematičeskogo obŝestva %D 1978 %P 59-84 %V 36 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_1978_36_a2/ %G ru %F MMO_1978_36_a2