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101 0 $aeng
102   $aDE
105   $aa---a---001yy
200 1 $aStable approximate evaluation of unbounded operators$fC. W. Groetsch
210   $aBerlin$cSpringer$dc2007
215   $ax, 127 p.$d24 cm
225 1 $aLecture notes in mathematics$v1894
610 0 $aOperatori lineari
610 0 $aAnalisi numerica in spazi astratti
676   $a515.7$v21$zita
700  1$aGroetsch,$bCharles W.$027779
801  0$aIT$bUNINA$gRICA$2UNIMARC
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996   $aStable approximate evaluation of unbounded operators$9230552
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