00538nam a2200193   450000500170000000700040001700800040002102000180002504000090004305000210005210000200007324500700009325000130016326000340017630000210021044000350023150000510026665000270031720161123160900.0000000  a9780387951164  aUOEL  aQA372b.P47 2001  aPerko, Lawrence  aDifferential Equation and Dynamical systems /.cby Lawrence Perko  a3rd. ed.  aNew York :bSpringer,cC2000.  axiv,555P :bill.  aTexts in Applied Mathematics 7  aincludes bibliographical references and index   2Differential Equations