LEADER 00875nam0-22003251i-450- 001 990001439660403321 010 $a3-540-64882-8 035 $a000143966 035 $aFED01000143966 035 $a(Aleph)000143966FED01 035 $a000143966 100 $a20000920d1999----km-y0itay50------ba 101 0 $aeng 200 1 $aSubsystems of second order arithmetic$fStephen G. Simpson 210 $aBerlin$cSpringer$dc1999 215 $axiv, 444 p.$d25 cm 225 1 $aPerspective in Mathematical Logic 610 0 $aCalcolo 676 $a511.3 700 1$aSimpson,$bStephen George$047524 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001439660403321 952 $aC-48-(28$b16470$fMA1 959 $aMA1 962 $a03B30 962 $a03F25 996 $aSubsystems of second order arithmetic$979010 997 $aUNINA DB $aING01