00320nam a2200121Ia 4500082002000000100002200020245005400042260003500096300002000131490003700151500000500188700000500193  a515.35bC669.IO  aCoddington, E. A.  aIntroduction to ordinary differential equationsb  aNew DelhibPrentice-Hallc1968  axi, 292p. Index  aPrentice-Hall Mathematics series  a  a