01107nam0-2200397---450-99000841172040332120061104132500.03-540-32893-9000841172FED01000841172(Aleph)000841172FED0100084117220061104d2006----km-y0itay50------baengDEa---a---001yyQualitative theory of planar differential systemsF. Dumortier, J. Llibre, J. C. ArtesBerlinSpringerc2006xvi, 298 p.24 cmUniversitextTeoria qualitativaSystemi dinamici lisci515.3521itaDumortier,Freddy53294Llibre,Jaume53452Artes,Joan C.501630ITUNINARICAUNIMARCBK990008411720403321C-6-(17221717MA1MA134CXX37CXX37C10Qualitative theory of planar differential systems726504UNINA