LEADER 00769nam0-22002531i-450- 001 990001294340403321 035 $a000129434 035 $aFED01000129434 035 $a(Aleph)000129434FED01 035 $a000129434 100 $a20000920d1982----km-y0itay50------ba 101 0 $aeng 200 1 $aSolution of Differential Equations by Means of One-parameter Groups$fby HILL J.M. 210 $aBoston [etc.]$cPitman$d1982 225 1 $aResearch notes in mathematics$v63 700 1$aHill,$bJames M.$021758 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001294340403321 952 $aC-2-(63$b21088$fMA1 959 $aMA1 996 $aSolution of Differential Equations by Means of One-parameter Groups$9383747 997 $aUNINA DB $aING01