LEADER 00982nam0-22003371i-450- 001 990001435250403321 010 $a3-7643-5900-5 035 $a000143525 035 $aFED01000143525 035 $a(Aleph)000143525FED01 035 $a000143525 100 $a20000920d1998----km-y0itay50------ba 101 0 $aeng 200 1 $aBifurcation of planar vector fields and Hilbert's sixteenth problem$fRobert Roussarie 210 $aBasel (CH)$cBirkhauser$dc1998 215 $axvii, 204 p.$d25 cm 225 1 $aProgress in mathematics$v164 610 0 $aTeoria della biforcazione 610 0 $aCampi vettoriali 676 $a515.35 700 1$aRoussarie,$bRobert$055020 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001435250403321 952 $aC-3-(164$b16275$fMA1 959 $aMA1 962 $a58F14 962 $a35B32 996 $aBifurcation of planar vector fields and Hilbert's sixteenth problem$9375037 997 $aUNINA DB $aING01