LEADER 00677nam0-22002651i-450- 001 990000830730403321 005 20001010 035 $a000083073 035 $aFED01000083073 035 $a(Aleph)000083073FED01 035 $a000083073 100 $a20001010d--------km-y0itay50------ba 101 0 $aita 105 $ay-------001yy 200 1 $aPlane waves and spherical means 210 $as.l.$cSpringer$d 700 1$aJohn,$bFritz$0331219 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990000830730403321 952 $a02 60 B 32$b3758$fFINBN 959 $aFINBN 996 $aPlane waves and spherical means$9108203 997 $aUNINA DB $aING01