00880nam a2200229 a 4500001001400000003000700014005001700021008004100038020001800079020001500097040000800112100002000120245014000140260004300280300003300323490005200356504005300408521004900461650004900510650003900559830005200598vtls000033792KUKTEM20251117145507.0090113t2008    njua   f b    000 0 eng d  a9789812704689  a981270468X  aUMP1 aDing, Tong-Ren.10aApproaches to the qualitative theory of ordinary differential equations :bdynamical systems and nonlinear oscillations /cDing Tongren  aNew Jersey :bWorld Scientific,cc2007  aix, 383 p. :bill. ;c24 cm.1 aPeking University series in mathematics ;vv. 3  aIncludes bibliographical references (p. 377-383)  aAdvanced undergraduate and graduate students 0aDifferential equations, NonlinearvTextbooks 0aNonlinear oscillationsvTextbooks. 0aPeking University series in mathematics ;vv. 3