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207  0$aA.1, n.1(1965)-
210   $aNew York$cConsultants Bureau$d1965-
215   $avolumi$cill.$d25 cm
300   $aTit. orig.: Differencial'nye uravnenia
326   $aNon conosciuta
606 0 $aEquazioni differenziali$xPeriodici$2BNCF
676   $a515.3505
801  0$aIT$bsalbc$gISBD
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958   $aSCI$bPER III$c1965-1996;$l1970; 1980;1994; 1996;
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979   $aCIANATIEMP$b90$c20110127$lUSA01$h0956
996   $aDifferential equations$982801
997   $aUNISA