LEADER 00746nam0-22002531i-450- 001 990001177990403321 035 $a000117799 035 $aFED01000117799 035 $a(Aleph)000117799FED01 035 $a000117799 100 $a20000920d1948----km-y0itay50------ba 101 0 $aeng 200 1 $aSpectral Representation of Linear Operators$fby FRIEDRICHS K.O. 210 $aNew York$cs.e.$d1948 225 1 $aNew York University Institute of Mathematical Sciences 700 1$aFriedrichs,$bKurt Otto$040614 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001177990403321 952 $a21-A-1$b2905$fMA1 959 $aMA1 996 $aSpectral Representation of Linear Operators$9342047 997 $aUNINA DB $aING01