LEADER 00661nam0-22002411i-450- 001 990001178140403321 035 $a000117814 035 $aFED01000117814 035 $a(Aleph)000117814FED01 035 $a000117814 100 $a20000920d1970----km-y0itay50------ba 101 0 $aeng 200 1 $aHyperbolic equations and waves$eRencontre.$fby FROISSART M. 210 $aBerlin$cSpringer-Verlag$d1970 700 1$aFroissart,$bM.$027141 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001178140403321 952 $a202-D-27$b9976$fMA1 959 $aMA1 996 $aHyperbolic equations and waves$9330569 997 $aUNINA DB $aING01