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101 0 $aeng
102   $aSG
105   $a----a---001yy
200 1 $a<<On >>certain unitary representations of an infinite group of transformations$fby Léon Van Hove$gtranslated by Marcus Berg and Cécile DeWitt-Morette
210   $aSingapore [etc.]$cWorld Scientific$dc2001
215   $aix, 91 p.$d22 cm
610 0 $aTeoria dei gruppi
610 0 $aPrincipi di simmetria
700  1$aHove,$bLéon : van$012749
702  1$aBerg,$bMarcus
702  1$aDeWitt-Morette,$bCécile
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990001014480403321
952   $a10A-158$bD.S.F. 7562$fFI1
959   $aFI1
996   $aCertain unitary representations of an infinite group of transformations$9355111
997   $aUNINA