LEADER 00706nam0-22002651i-450- 001 990001279900403321 035 $a000127990 035 $aFED01000127990 035 $a(Aleph)000127990FED01 035 $a000127990 100 $a20000920d1963----km-y0itay50------ba 101 0 $aeng 200 1 $aLinear Approximation$fby SARD Artur 205 $a$a 210 $aProvidence (RI)$cAmerican Mathematical Society$d1963 215 $aMathematical Surveys 700 1$aSard,$bArthur$0104665 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001279900403321 952 $aC-46-(9$b13783$fMA1 959 $aMA1 996 $aLinear Approximation$9384548 997 $aUNINA DB $aING01