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100   $a20001010d--------km-y0itay50------ba
101 0 $aeng
102   $aUS
105   $ay-------001yy
200 1 $aMathematical methods of physics$fJ. Matthews, R. L. Walker
205   $a2. ed.
210   $aNew York$cW. A. Benjamin$dInc.$d1970
215   $aIX, 501 p.$d21 cm
676   $a510.24
700  1$aMathews,$bJon$041147
701  1$aWalker,$bRobert Lee$f<1922- >$0344430
801  0$aIT$bUNINA$gRICA$2UNIMARC
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952   $a02 43 F 14$b784$fFINBN
959   $aFINBN
996   $aMathematical methods of physics$91552545
997   $aUNINA
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