LEADER 00972nam--2200325---450- 001 990003250300203316 005 20090521121215.0 035 $a000325030 035 $aUSA01000325030 035 $a(ALEPH)000325030USA01 035 $a000325030 100 $a20090521d1981----km-y0itay50------ba 101 $aeng 102 $aUS 105 $aa---||||001yy 200 1 $aNonlinear differential equations$einvariance, stability, and bifurcation$fedited by Piero de Mottoni, Luigi Salvadori 210 $aNew York$cAcademic press$d1981 215 $aXI, 357 p.$cill.$d23 cm 606 0 $aEquazioni differenziali 676 $a515.35 702 1$aDE MOTTONI,$bPiero 702 1$aSALVADORI,$bLuigi 801 0$aIT$bsalbc$gISBD 912 $a990003250300203316 951 $a515.35 NON$b8236/CBS$c515.35$d00220649 959 $aBK 969 $aSCI 979 $aRSIAV7$b90$c20090521$lUSA01$h1212 996 $aNonlinear differential equations$9381373 997 $aUNISA