LEADER 00798nam0-22002531i-450- 001 990001245040403321 035 $a000124504 035 $aFED01000124504 035 $a(Aleph)000124504FED01 035 $a000124504 100 $a20000920d1985----km-y0itay50------ba 101 0 $aeng 200 1 $aSingularordinary Differential Operators and Pseudodifferential Equations$fBY ELSCHNER ,J. 210 $aBerlin [etc.]$cSpringer-Verlag$d1985 225 1 $aLecture Notes in Mathematics$v1128 700 1$aElschner,$bJohannes$041639 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001245040403321 952 $aC-20-(1128$b1429$fMA1 959 $aMA1 996 $aSingularordinary Differential Operators and Pseudodifferential Equations$9381520 997 $aUNINA DB $aING01