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100   $a20000920d1995----km-y0itay50------ba
101 0 $aENG
200 1 $aOn the solvability of homogeneous left-invariant differential operators on the Heisenberg group$fDetlef Mller, Marco M. Peloso, Fulvio Ricci.
210   $aTorino$cPolitecnico di Torino$d1995.
215   $a13 p.$d31 cm
225 1 $aRapporto interno$fDipartimento di matematica, Politecnico di Torino$v19
610 0 $aReports
610 0 $aRapporti interni
610 0 $aWorking paper
676   $a519
700  1$aMller,$bDetlef$0368564
702  1$aPeloso,$bMarco M.
702  1$aRicci,$bFulvio$f<1948- >
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990002587570403321
952   $aMXXXII-C-18$b3762$fMAS
959   $aMAS
996   $aOn the solvability of homogeneous left-invariant differential operators on the Heisenberg group$9435160
997   $aUNINA
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