00361nam a2200133 a 450000500170000002000150001708200160003210000190004824500430006725000110011026000500012130000360017170000200020720251203110443.0  a0201808757  a515.35bNAG  aNagle, R. Kent  aFundamentals of Differential Equations  a4th ed  aNew YorkbAddison-Wesley Publishing Co.c1996  axx,657p.eAppendicesc22 cm. HB  aSaff, Edward B.