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101 0 $aita
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200 1 $aSpectral theory of linear operators$fH. R. Dowson
210   $aLondon$cAcademic Press$d1978
215   $aXII, 422 p.$d23 cm
225 1 $aLondon Mathematical Society$v12
676   $a515.724
700  1$aDowson,$bH.R.$041928
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990000850340403321
952   $a02 26 D 34$b2949$fFINBN
959   $aFINBN
996   $aSpectral theory of linear operators$9191473
997   $aUNINA
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