LEADER 01352nam 2200361 450 001 000016666 005 20050718115600.0 100 $a20030919d1965----km-y0itay0103----ba 101 0 $aeng 102 $aUS 200 1 $aPerturbation of spectra in Hilbert space$fby Kurt O. Friedrichs 210 $aProvidence$cAmerican Mathematical Society$d1965 215 $aXIII, 178 p.$d24 cm. 225 2 $aLectures in Applied Mathematics$v3 410 0$12001$aLectures in Applied Mathematics 606 $aSpazi di Hilbert 676 $a515.733$v(21. ed.)$9Analisi funzionale. Spazi di Hilbert 691 $a46Cxx$9Functional analysis. Inner product spaces and their generalizations, Hilbert spaces 700 1$aFriedrichs,$bKurt Otto$040614 801 0$aIT$bUniversità della Basilicata - B.I.A.$gRICA$2unimarc 912 $a000016666 996 $aPerturbation of spectra in Hilbert space$981599 997 $aUNIBAS BAS $aMONSCI BAS $aSCIENZE CAT $aEXT003$b01$c20030919$lBAS01$h1218 CAT $c20050601$lBAS01$h1755 CAT $abatch$b01$c20050718$lBAS01$h1053 CAT $c20050718$lBAS01$h1112 CAT $c20050718$lBAS01$h1142 CAT $c20050718$lBAS01$h1156 FMT Z30 -1$lBAS01$LBAS01$mBOOK$1BASA2$APolo Tecnico-Scientifico$2GEN$BCollezione generale$3MAT$660928$5S60928$820030919$f51$FRiservati