LEADER 00821nam0-22003011i-450- 001 990000895470403321 005 20001010 010 $a0-471-03650-1 035 $a000089547 035 $aFED01000089547 035 $a(Aleph)000089547FED01 035 $a000089547 100 $a20001010d--------km-y0itay50------ba 101 0 $aita 105 $ay-------001yy 200 1 $aApproximation of Elliptic Boundary-Value Problems 210 $aNew York$cJohn Wiley$d1972 215 $ap.360$cill.$dcm 20 610 0 $aMatematica 700 1$aAubin,$bJean-Pierre$054013 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990000895470403321 952 $a03 M.0,176$b2729$fIINTC 959 $aIINTC 996 $aApproximation of elliptic boundary-value problems$9118546 997 $aUNINA DB $aING01