LEADER 01065nmm a2200301 i 4500 001 991000566709707536 007 cr nn 008mamaa 008 070420s2007 de j eng d 020 $a9783540399438 035 $ab13876831-39ule_inst 040 $aDip.to Matematica$beng 082 0 $a512.556$222 084 $aAMS 47A58 084 $aLC QA3.L28 100 1 $aGroetsch, Charles W.$027779 245 10$aStable approximate evaluation of unbounded operators$h[e-book] /$cCharles W. Groetsch 260 $aBerlin :$bSpringer,$cc2007 300 $bv.: digital 440 0$aLecture notes in mathematics,$x0075-8434 ;$v1894 650 0$aNumerical analysis 650 0$aOperator theory 773 0 $tSpringer e-books 856 40$uhttp://dx.doi.org/10.1007/3-540-39942-9$zAn electronic book accessible through the World Wide Web 907 $a.b13876831$b03-03-22$c02-02-10 912 $a991000566709707536 996 $aStable approximate evaluation of unbounded operators$9230552 997 $aUNISALENTO 998 $ale013$b02-02-10$cm$d@ $e-$feng$gde $h0$i0