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100   $a20020821d1960----km-y0itay50------ba
101 1 $aeng$crus
102   $aIN
105   $ay-------001yy
200 1 $aLinear operators and approximation theory$fby P. P. Korovkin
210   $aDelhi$cHindustan Pub. Corp.$d1960
215   $aVII, [1], 222 p.$d23 cm
225 1 $aInternational monographs on advanced mathematics & physics$v3
454  0$12001$aLineinye operatory i teoriia priblizhenii
610 0 $aMetodi numerici
610 0 $aAnalisi numerica e grafica
610 0 $aTrigonometria
676   $a515
700  1$aKorovkin,$bPavel Petrovich
801  0$aIT$bUNINA$gRICA$2UNIMARC
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