LEADER 00996nam0-22003491i-450- 001 990001488330403321 010 $a0-444-88797-0 035 $a000148833 035 $aFED01000148833 035 $a(Aleph)000148833FED01 035 $a000148833 100 $a20011215d2001----km-y0itay50------ba 101 0 $aeng 102 $aNL 105 $aa---a---001yy 200 1 $a<>theory of fractional powers of operators$fC. Martinez Carracedo, M. Sanz Alix 210 $aAmsterdam$cNorth-Holland$dc2001 215 $axii, 365 p.$d24 cm 225 1 $aNorth-Holland mathematics studies$v187 610 0 $aCalcolo funzionale 676 $a515.7246$v21 700 1$aMartinez Carracedo,$bCelso 700 1$aSanz Alix,$bMiguel 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001488330403321 952 $aC-21-(187$b18038$fMA1 959 $aMA1 962 $a47A60 962 $a47B44 996 $aTheory of fractional powers of operators$9377919 997 $aUNINA