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*035  $a(NO-TrBIB)822210681
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*1001 $aJohnsen, Trygve$0(NO-TrBIB)90122838$_37942800
*24512$aA classification of covariants and contravariants of plane cubics$cby Trygve Johnsen
*260  $aOslo$c1982
*300  $a32 bl.$btab.
*4901 $aPreprint series / Institute of Mathematics, University of Oslo. [Pure] mathematics$v10-1982
*533  $aElektronisk reproduksjon$b[Norge]$cNasjonalbiblioteket Digital$d2016-10-06
*830 0$aPreprint series (Universitetet i Oslo. Matematisk institutt)$p[Pure] mathematics : trykt utg.$x0806-2439$v10-1982$w998120366204702201$_13774600
*85641$3Fulltekst$uhttps://urn.nb.no/URN:NBN:no-nb_digibok_2016100609033$yNettbiblioteket$zDigital representasjon
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^