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100   $a20000920d1990----km-y0itay50------ba
101 0 $aeng
200 1 $aTopics in Operator Theory$eErnst D. Hellinger memorial volume$fVolume Editors L. de Branges, I. Gohberg, J. Rovnyak.
210   $aBasel$cBirkhauser$d1990.
215   $a448 p.$d24 cm
225 1 $aOperator theory, advances and applications$v48
610 0 $aTeoria degli operatori
610 0 $aMatematici$a20. sec. - hellinger e. d. - memorie
676   $a515.724
702  1$aDe Branges,$bLouis
702  1$aGohberg,$bIsrael$f<1928-2009>
702  1$aHellinger,$bErnst D.
702  1$aRovnyak,$bJ.
801  0$aIT$bUNINA$gRICA$2UNIMARC
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996   $aTopics in Operator Theory$9345705
997   $aUNINA
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