00565nam a2200193 a 450000500170000002000180001708200160003510000200005124500490007126000420012030000260016250000190018869000270020769000130023496400160024799700190026399900190028295200700030120251203112029.0  a9780486659541  a515.35bNEM  aNemytskii, V.V.  aQualitative theory of differential equations  aNewYorkbDover Publication,INC.c1989  aviii,531P,c18cm.bPB  aIncludes index  aDifferential Equations  aDynamics  bcdefg_  a178481 LIBSC C  c145149d145149  00104070aPUbPUd2011-04-02g572.88l0o515.35 NEMp178481yBK