LEADER 00830nam0-22002651i-450-
001 990001177920403321
035   $a000117792
035   $aFED01000117792
035   $a(Aleph)000117792FED01
035   $a000117792
100   $a20000920d1965----km-y0itay50------ba
101 0 $aeng
200 1 $aPerturbation of Spectra in Hilbert Space$fb y FRIEDRICHS K.O.
210   $aProvidence$cAmerican Mathematical Society$d1965
225 1 $aLectures in Applied Mathematics. Proceedings of the Summer Seminar, Boulder, Colorado 1960
300   $aVOL III.
700  1$aFriedrichs,$bKurt Otto$040614
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990001177920403321
952   $aC-41-(3$b11159$fMA1
959   $aMA1
996   $aPerturbation of spectra in Hilbert space$981599
997   $aUNINA
DB    $aING01