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100   $a20000920d1990----km-y0itay50------ba
101 0 $aeng
200 1 $aPreconditioned Conjugate Gradient Methods$eProceedings of a Conference on Preconditional Conjugate Gra dient Methods held in Nijmegen, The Netherlands, June 19-21, 1989$fO. Axelsson, L. Yu. Kolotilina, editors
210   $aBerlin$cSpringer-Verlag$dc1990
215   $a196 p.$d25 cm
225 1 $aLecture Notes in Mathematics$v1457
610 0 $aAlgebra lineare numerica$aCongressi
610 0 $aMetodi iterativi per i sistemi lineari$aCongressi
676   $a519.4
702  1$aAxelsson,$bOwe
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
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952   $aC-20-(1457$b7918$fMA1
959   $aMA1
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996   $aPreconditioned conjugate gradient methods$981324
997   $aUNINA
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