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100   $a--------d--------km-y0itay50------ba
101  1$aeng
200 1 $a<<An >>introduction to inequalities$fby Beckenbach and Bellmann.
210   $as.l.$cThe Mathematical Association of America$d1961
700  1$aBeckenbach,$bEdwin F.$01423
702  1$aBellman,$bRichard Ernest$f<1920-1984>
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990001131800403321
952   $a114-G-22$b4083$fMA1
959   $aMA1
996   $aIntroduction to inequalities$9345481
997   $aUNINA