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100   $a20001010d--------km-y0itay50------ba
101 0 $aita
105   $ay-------001yy
200 1 $aThird Order Linear Differential Equations$fM. Gregus
210   $aDordrecht$cD.Reidel Publishing Company$d1987
215   $aXV, 270 p.$d23 cm
225 1 $aMathematics and its applications$iEast European series
610 0 $aThird Order Linear Differential Equations
676   $a515.3
700  1$aGregus,$bMichal$041648
801  0$aIT$bUNINA$gRICA$2UNIMARC
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952   $a02 31 D 28$b5030$fFINBN
959   $aFINBN
996   $aThird Order Linear Differential Equations$9348965
997   $aUNINA
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