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101 0 $aeng
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200 1 $a<<A >>short introduction to perturbation theory for linear operators$fTosio Kato
210   $aNew York$cSpringer$d1982
215   $aXIII, 161 p.$d25 cm
500 10$a<<A >>short introduction to perturbation theory for linear operators$934040
610 1 $aPerturbazione$aMatematica
676   $a515.724 6$v20$9Operatori lineari
700  1$aKato,$bTosio$040573
801  0$aIT$bUNIPARTHENOPE$c20081114$gRICA$2UNIMARC
912   $a000019331
951   $aM 515.724 6/1$bM 746$cDSA$d2008
996   $aShort introduction to perturbation theory for linear operators$934040
997   $aUNIPARTHENOPE