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100   $a20130416d1948----km-y0itay50------ba
101 0 $aeng
102   $aUS
105   $aa---a---001yy
200 1 $aIntroduction to complex variables and applications$fby Ruel V. Churchill
210   $aNew York [etc.]$cMcGraw-Hill Book Co.$d1948
215   $avi, 216 p.$cill.$d24 cm
610 0 $aCalcolo delle variazioni
610 0 $aDifferenze finite
610 0 $aIntegrali di Fourier
610 0 $aTrasformazioni di Fourier e Laplace
610 0 $aFunzioni di variabile complessa
700  1$aChurchill,$bRuel V.$0447
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990009716780403321
952   $a16-001 AFV$bF.V. 151$fFI1
959   $aFI1
996   $aIntroduction to complex variables and applications$9843770
997   $aUNINA