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100   $a20000920d1973----km-y0itay50------ba
101 0 $aeng
200 1 $aApproximation theory$eProceedings of an International Symposium conduced by the Univ. of Texas and the National Science Foundation at Austin, Texas, January 22-24, 1973$fEdited by G.G. Lorentz
210   $aNew York [etc.]$cAcademic Press$d1973
300   $aIn cooperation with H. Berens, E.W. Cheney, L.L. Schumaker.
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990001209440403321
952   $a202-E-31(1)$b14862$fMA1
959   $aMA1
996   $aApproximation theory$980704
997   $aUNINA
DB    $aING01