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100   $a20030130d2002----km-y0itay50------ba
101 0 $aeng
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200 1 $aPhysical problems solved by the phase-integral method$fNanny Froman and Per Olof Froman
210   $aCambridge$cCambridge University Press$d2002
215   $axiii, 214 p.$d26 cm
610 0 $aMeccanica quantistica
700  1$aFroman,$bNanny$012693
701  1$aFroman,$bPer Olof$012694
801  0$aIT$bUNINA$gRICA$2UNIMARC
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996   $aPhysical problems solved by the phase-integral method$9377269
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