00438nam a2200157Ia 4500020001500000082002000015100002000035245005100055250000800106260003400114300002800148490003800176500005600214500000500270700000500275  a8181281837  a515.35bP449.DE  aPerko, Lawrence  aDifferential equations and dynamical systemsb  a3rd  aBerlinbSpringer-Verlagc2004  axiv, 555p. Bibl. Index.  aTexts in Applied Mathematics v 7  a"Purchased under NBHM grant for the year 2004-2005"  a  a